OT-2026-000039459
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000039459) never changes.
Identity and time
| Publication number | OT-2026-000039459 · never reused |
|---|---|
| Internal UUID | 01a0ae78-9675-7cda-9597-058a6825999a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:33.573712Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000039459 |
| Status | PUBLIC |
Content hashes
| Canonical text | b53e9afb22bc82cd594c56add312bc299298ed724aa013ee42a46c062c927dde |
|---|---|
| Markdown | 44a25a0f2f78c376c234965e58f7a6ccd7768bcc1cce7a750280a15aed36e37c |
| Publication page | eca69e56d0d60a6160d369dc732c6683068eedc036e8c18493129f16cc558456 |
| Manifest | 3b0e152dbe7a1c57393c58339ec051f9d4dd4aa1ef751a29d6ecd950d707d04c |
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 | MBAEJ28ucYebtKGnAGBjhjDSVXlsb75kr5LYQ01uFwqY4iQIqM1XSE853rDI8ZxMS2UakiCFmCfsRJNcwk7YBA== |
| 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
| 2026-10-31T20:41:12.705040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459observed eca69e56d0d60a6160d369dc732c6683...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:12.654457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/manifest.jsonobserved 3b0e152dbe7a1c57393c58339ec051f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:12.605277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/publication.mdobserved 44a25a0f2f78c376c234965e58f7a6cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:12.554748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/publication.txtobserved b53e9afb22bc82cd594c56add312bc29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:41.162214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459observed eca69e56d0d60a6160d369dc732c6683...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:41.073578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/manifest.jsonobserved 3b0e152dbe7a1c57393c58339ec051f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:40.997714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/publication.mdobserved 44a25a0f2f78c376c234965e58f7a6cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:40.922101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039459/publication.txtobserved b53e9afb22bc82cd594c56add312bc29...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 |
|---|