OT-2026-000043064
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000043064) never changes.
Identity and time
| Publication number | OT-2026-000043064 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3278-7375-a00b-11d6e6e8e498 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043064 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8389e3c562288682e1ab9397a5af396523f9524b81b318a355f68863c83e1f2a |
|---|---|
| Markdown | c10e0d398a2744885bc6e16a2a7ebc0a7d02bebfbc0b025a165e65ba95e6692e |
| Publication page | bb0b1a7edb68d5dfd04d198cf0a6df0aadcbf6304d19915d2930d066351df61f |
| Manifest | b1152417404634eb91659e7cc4a4bb6af285e08c6a8a8aaea701be2529bc7beb |
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 | ED7H9I4R9pavptFJJfX/CobG247QsqDYI+In7TObnvnnoMheXl+VA2WkKgHyvIO8blwrqgWrUqNngcsX1F2/DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-11-04T00:41:54.746076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064observed bb0b1a7edb68d5dfd04d198cf0a6df0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:41:54.672019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/manifest.jsonobserved b1152417404634eb91659e7cc4a4bb6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:54.591112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/publication.mdobserved c10e0d398a2744885bc6e16a2a7ebc0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:54.477527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/publication.txtobserved 8389e3c562288682e1ab9397a5af3965...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:58.661270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064observed bb0b1a7edb68d5dfd04d198cf0a6df0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:58.560302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/manifest.jsonobserved b1152417404634eb91659e7cc4a4bb6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:58.434227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/publication.mdobserved c10e0d398a2744885bc6e16a2a7ebc0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:58.279017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043064/publication.txtobserved 8389e3c562288682e1ab9397a5af3965...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 |
|---|