OT-2026-000022777
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off 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-2026-000022777) never changes.
Identity and time
| Publication number | OT-2026-000022777 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7103-8356-29061e18cd21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022777 |
| Status | PUBLIC |
Content hashes
| Canonical text | f437ed01c5883acde0608ff363ee7ffd5b47c2833ea035bb14ba8280414d05d5 |
|---|---|
| Markdown | 494ce6e78b1eefcc7b188ca3ae48af07a1c198739df77f9aa56ebba6cceab1a9 |
| Publication page | 73f572aa379ec31527333e282ec09a5a545985b70bfe8b0731e15fdb19ca46e6 |
| Manifest | 56bfcf795de461b8fc4e51c69a586472498b78a632430c580e4b33d474410ac7 |
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 | Af9ZEKV9Lj5FLPKWA5hum+2liSfZv/0B/2ntNFXD3ODlDbe7fzaFJFqLFbuHoS7RR4Yu2Pv7M5rTryqBCVqdDA== |
| 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... |
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Independent retrieval
| 2026-10-23T16:42:05.725643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777observed 73f572aa379ec31527333e282ec09a5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:42:05.664394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/manifest.jsonobserved 56bfcf795de461b8fc4e51c69a586472...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:05.607941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/publication.mdobserved 494ce6e78b1eefcc7b188ca3ae48af07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:05.506104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/publication.txtobserved f437ed01c5883acde0608ff363ee7ffd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:53.943379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777observed 73f572aa379ec31527333e282ec09a5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:53.861856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/manifest.jsonobserved 56bfcf795de461b8fc4e51c69a586472...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:53.798852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/publication.mdobserved 494ce6e78b1eefcc7b188ca3ae48af07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:53.691765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022777/publication.txtobserved f437ed01c5883acde0608ff363ee7ffd...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 |
|---|