OT-2026-000071439
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000071439) never changes.
Identity and time
| Publication number | OT-2026-000071439 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-7978-96c3-12b04d1b12e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e76dbfaa5aca5d65e516cac3f8708dba8781e4fe3eb15ddabfe25fa4c3728d6 |
|---|---|
| Markdown | bdd73e973086f7e8cd91d75a7e73b4b5ee300ebaffe2f9ea53430b31ffb4bcba |
| Publication page | cb232009feeeed91a0dad8b725dd2f0089bcef36e2293109d6db9dc8692fea52 |
| Manifest | 94b2d21d93a33f9ddac6449af96fc75c86eb0cec3a426bb69d7737d465865fa0 |
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 | GYy56aqTYEbt/mt5myRW2/ZhaUqeiQotKiTgvVouEGeGoyMJwzxq7M+vQgQLNvX4ur8Vylsy3BukTWZEpDHFDQ== |
| 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
| 2026-10-29T12:41:03.674117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439observed cb232009feeeed91a0dad8b725dd2f00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:03.622664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/manifest.jsonobserved 94b2d21d93a33f9ddac6449af96fc75c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:03.572242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/publication.mdobserved bdd73e973086f7e8cd91d75a7e73b4b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:03.517706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/publication.txtobserved 6e76dbfaa5aca5d65e516cac3f8708db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:50.812203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439observed cb232009feeeed91a0dad8b725dd2f00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:50.741931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/manifest.jsonobserved 94b2d21d93a33f9ddac6449af96fc75c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:50.643082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/publication.mdobserved bdd73e973086f7e8cd91d75a7e73b4b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:50.541916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071439/publication.txtobserved 6e76dbfaa5aca5d65e516cac3f8708db...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 |
|---|