OT-2026-000031808
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000031808) never changes.
Identity and time
| Publication number | OT-2026-000031808 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-78b0-bbff-c6fd50fd5e88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031808 |
| Status | PUBLIC |
Content hashes
| Canonical text | f38477b04911dcdffad9a04e54b9552b145685cf162f1aa3c905c24bcc797e30 |
|---|---|
| Markdown | 4d61fb8a3d214703392b1705dbdfaf76cf92603b46e33d9c7ec8fd934456c631 |
| Publication page | 5240bfec8c377600ddec69d0bbe6a3e78c77bdf644f7075def3458acdef3c657 |
| Manifest | 432f374a8ff0e84b57ab7ea3789d5163193ef6d6df0b71fbed5672a907e8d68b |
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 | vxXMLNFg8cPD6B71Gfs9DcK1z6TEs7AdjHlWWbyrU6mPwoAZwhLfDiHGK+xWn6a+Gp5kCQs4jhXsfJ6wl1hKAA== |
| 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
| 2026-09-17T11:34:57.716685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031808observed 5240bfec8c377600ddec69d0bbe6a3e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:57.689331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031808/manifest.jsonobserved 432f374a8ff0e84b57ab7ea3789d5163...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:57.656110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031808/publication.mdobserved 4d61fb8a3d214703392b1705dbdfaf76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:57.615679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031808/publication.txtobserved f38477b04911dcdffad9a04e54b9552b...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. |
|---|