OT-2026-000053546
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000053546) never changes.
Identity and time
| Publication number | OT-2026-000053546 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-7ce9-b1ff-3981ef6bae52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053546 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72d57c3334e3ee0f9164b10ad049c18ad2ac6002e4f9c2acc28d44530383739f |
|---|---|
| Markdown | 2b190acb38d340c44d30ce1910575354f30e9016b9cdad95244bf68aaed8f86a |
| Publication page | ef5abef70f68113a700aea12391b97dcd81ebab689188758df04ac18a00277ec |
| Manifest | 9bc76bbd88b20fe9bc5b3995ac7cb692d049b3a9787859cbc3c85998fc1465eb |
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 | qjoAUvJrc+aifleNBpE1pY96xrFwTFeXHjaZrtRTHy2OiwWUhUvsC/wxB+ifGLW4WhEHe0IF1Sjd+iwvSJm3Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:24.198055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053546observed ef5abef70f68113a700aea12391b97dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:24.180167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053546/manifest.jsonobserved 9bc76bbd88b20fe9bc5b3995ac7cb692...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:24.162278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053546/publication.mdobserved 2b190acb38d340c44d30ce1910575354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:24.142838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053546/publication.txtobserved 72d57c3334e3ee0f9164b10ad049c18a...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|