OT-2026-000056258
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056258) never changes.
Identity and time
| Publication number | OT-2026-000056258 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7877-a1e1-11e84a32c80c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056258 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8638eae302647084f364e9347b49c4c2c2018fd8185f1021f0146fd6229050a1 |
|---|---|
| Markdown | e447fd3b8151aad68d6c52b7c8588526d58ac1137b2a7ce0cb50ebf0e29d2d3c |
| Publication page | 5755f359659f3001b56365f5f8712adc4afe3fe318d294547551e6f3a98599ef |
| Manifest | 3d549dfd7f62f737ca7a39e8277ff1155b73e03d0deb7e05605eb69cadb69de0 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | hSNLCyMIHe/9J6gngT1BPAbkW7Du40fuVW+MhwfW6nl7Q9AyDYQOMI5zXZmI5EIefVS3UWEc5lk8NpzI4BHtDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-06T00:42:00.930957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258observed 5755f359659f3001b56365f5f8712adc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
|---|---|
| 2026-11-06T00:42:00.877687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/manifest.jsonobserved 3d549dfd7f62f737ca7a39e8277ff115...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T00:42:00.809589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/publication.mdobserved e447fd3b8151aad68d6c52b7c8588526...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T00:42:00.614131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/publication.txtobserved 8638eae302647084f364e9347b49c4c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-10-30T00:41:18.286083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258observed 5755f359659f3001b56365f5f8712adc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:18.221513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/manifest.jsonobserved 3d549dfd7f62f737ca7a39e8277ff115...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:18.151235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/publication.mdobserved e447fd3b8151aad68d6c52b7c8588526...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:18.010651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056258/publication.txtobserved 8638eae302647084f364e9347b49c4c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|