OT-2026-000019331
Publication integrity record
Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019331) never changes.
Identity and time
| Publication number | OT-2026-000019331 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f392-7434-b745-8e206a93c615 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019331 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbc9395d4a008ff3b0827df16e45d4faf2b21e2c499f653c49d3392fc70f0c5e |
|---|---|
| Markdown | a27c95ce3e84e2e28849e676d5d8c59a0d8972e94c7e5b7f92af49074c03e9c7 |
| Publication page | a1897982f72f84e017c6847e744a2f489ff0c60ad4c7b515484872c4ca9b3a58 |
| Manifest | fec0aca499e73526dac4bbf7cfad1d4bf2fd6972b0d3d1b531fc00eba3c06cfc |
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 | rlQCfBOmaRc9uBtPmu2X00w6CD2sNVEV56syOTAp4gO7tTRjYVSk+YCxHpujHth8LvJFpem68BAXMEv6KMp1AA== |
| 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
| 2026-09-17T11:58:41.932872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019331observed a1897982f72f84e017c6847e744a2f48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:41.914778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019331/manifest.jsonobserved fec0aca499e73526dac4bbf7cfad1d4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:41.896262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019331/publication.mdobserved a27c95ce3e84e2e28849e676d5d8c59a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:41.878951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019331/publication.txtobserved bbc9395d4a008ff3b0827df16e45d4fa...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. |
|---|