OT-2026-000049684
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after set-down
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-2026-000049684) never changes.
Identity and time
| Publication number | OT-2026-000049684 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fee-78fc-aa7d-4f8b84cd0323 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049684 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5fd92342d501e351ddf0ee8ea28f9f628157f68f915a892e3b38e29b042a5f9d |
|---|---|
| Markdown | e4e687fad6bf4ccfc1ed7bf6ce7d4872862486b5728221754a27e79582b3bbf8 |
| Publication page | 572d5136d2c1ec4663f621c863f04959a3dc8a2c5a1c2a9b558de7e8eb1a6f55 |
| Manifest | 622cff76eb23bf42c6bee3efebf06befdabbca59d3e4b23e24562f5c98c42f48 |
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 | qfvhIhP3uODE62ga6ZlyjUgVN/8+DFkqbXszh13HA0l9/8cIiaB2k3LwYQFOILFXzYv5nmZ52+KSvwlNvDejAw== |
| 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
| 2026-09-17T11:02:41.598913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049684observed 572d5136d2c1ec4663f621c863f04959...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:41.578577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049684/manifest.jsonobserved 622cff76eb23bf42c6bee3efebf06bef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:41.557890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049684/publication.mdobserved e4e687fad6bf4ccfc1ed7bf6ce7d4872...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:41.538972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049684/publication.txtobserved 5fd92342d501e351ddf0ee8ea28f9f62...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. |
|---|