OT-2026-000067541
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down, on a tool changer
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-2026-000067541) never changes.
Identity and time
| Publication number | OT-2026-000067541 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-6bda-7825-9948-4971cb8b457c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:29.998864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88466a58ad47789215c15f61a318ddd718af283e55360609f333e4c2b8430e11 |
|---|---|
| Markdown | 6e6bf1c5ce5e0f192f050cb831b7bea12018dad67ccebebd4fe9298ef46bae13 |
| Publication page | d54e5c7fd4130afc2211d29d1abaee1db5487e4d54b1477a10528f102f8367da |
| Manifest | c60848b286c910fe5b410f37866c8604fda506dc60da429e5be5db34e9d29dec |
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 | Typx5RT/TgS6fxObYlS88mgPWakIMoJQK+VtpbFoPBcpoQRqFnE7QAMIGEYbHxV3W2LwWWITOztxZ6LdKd9oDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-22T00:41:08.629985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541observed d54e5c7fd4130afc2211d29d1abaee1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T00:41:08.557510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/manifest.jsonobserved c60848b286c910fe5b410f37866c8604...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:08.493477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/publication.mdobserved 6e6bf1c5ce5e0f192f050cb831b7bea1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:08.372170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/publication.txtobserved 88466a58ad47789215c15f61a318ddd7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:37.452027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541observed d54e5c7fd4130afc2211d29d1abaee1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:37.380589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/manifest.jsonobserved c60848b286c910fe5b410f37866c8604...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:37.308034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/publication.mdobserved 6e6bf1c5ce5e0f192f050cb831b7bea1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:37.236021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067541/publication.txtobserved 88466a58ad47789215c15f61a318ddd7...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 |
|---|