OT-2026-000014619
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000014619) never changes.
Identity and time
| Publication number | OT-2026-000014619 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-d092-71be-ba25-6579de3f14e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:47.560717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014619 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1ed56df0322a024f9a5588cc21685195d6f792b7e1188d596263186d6fde70c |
|---|---|
| Markdown | bc89a83b50018a7cec65938dff2332ed1de630556f44e840f2aa0f5df7ef7893 |
| Publication page | 5fb2c9c6c23673586a0fb89e976511b559fc22220ba4878bf81b527792c830b8 |
| Manifest | c85d1c3ed266815acf22951e6c23cfbc1e5ad9488fe6738baa74895b171ff835 |
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 | JoIfLiLjUXn6xUhPHGhiFE1IMinSC0yHL6SP6egJdgkuim3rq8l5K4f2cd6KpnnslcTNQMjAdJ4OUCncXET1Aw== |
| 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
| 2026-10-06T20:41:37.925889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619observed 5fb2c9c6c23673586a0fb89e976511b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T20:41:37.871574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/manifest.jsonobserved c85d1c3ed266815acf22951e6c23cfbc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:37.815279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/publication.mdobserved bc89a83b50018a7cec65938dff2332ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:37.726880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/publication.txtobserved b1ed56df0322a024f9a5588cc2168519...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:34.414161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619observed 5fb2c9c6c23673586a0fb89e976511b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:34.349111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/manifest.jsonobserved c85d1c3ed266815acf22951e6c23cfbc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:34.297403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/publication.mdobserved bc89a83b50018a7cec65938dff2332ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:34.168157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014619/publication.txtobserved b1ed56df0322a024f9a5588cc2168519...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 |
|---|