OT-2026-000054980
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054980) never changes.
Identity and time
| Publication number | OT-2026-000054980 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-7ee5-b7f4-5b3107ec248e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054980 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa52943415d1f1c4159b90b80f98ae3e08cbbe2c312dd7f00666a48a26727e9d |
|---|---|
| Markdown | 29981c5f36d9348935db0b838e76be3bf4c9b6ad744004d3ca51c431d3631436 |
| Publication page | 21e6d7696987b150b891a1f8151bc2b10de8f5b558b8e2b67fe4b116bb0ab31b |
| Manifest | 76dba657434a91adb4f6af01978051f8c93eb50bbdac30adaeb102c824b32431 |
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 | XFdSMqoR80V2eI8gEmbq/NkkwqcLsi+vDsBRAWTzx052d5iPhikF21Fqw0lNTkHMBc6HXCF8e255T2pdhfDFAg== |
| 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
| 2026-09-17T10:53:06.240448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054980observed 21e6d7696987b150b891a1f8151bc2b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:06.221337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054980/manifest.jsonobserved 76dba657434a91adb4f6af01978051f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:06.204187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054980/publication.mdobserved 29981c5f36d9348935db0b838e76be3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:06.187496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054980/publication.txtobserved fa52943415d1f1c4159b90b80f98ae3e...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. |
|---|