OT-2026-000049521
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000049521) never changes.
Identity and time
| Publication number | OT-2026-000049521 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7c-7645-bcc1-a256d5af7fa1 · 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-2026-000049521 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7bb1ac3e497b169edd683f78a14d7062add04e8b6103d67c0a3a10f5bcb1a05 |
|---|---|
| Markdown | 1811390cd305e6e9f5526e8a8210fe26b7b3fcbf8863a01a76486b7f0d361aaa |
| Publication page | 4bae31c6311cede972a9312dbf856fe4af35d88d37dd872d8f427d7373a1e677 |
| Manifest | d6f8f2d7a68bea748a51aeb4ade448854ac2b12c9a2c82be4ca735160aaf1294 |
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 | CeDRZn7riXzkej+uYl32+mi4U6sO89PIw6enhbYhC1jJVazCSN5XHzrEv7zg/mKLo2LQk7/3k+WviqX0qVTICw== |
| 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
| 2026-09-17T11:02:22.862687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049521observed 4bae31c6311cede972a9312dbf856fe4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:22.845745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049521/manifest.jsonobserved d6f8f2d7a68bea748a51aeb4ade44885...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:22.827351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049521/publication.mdobserved 1811390cd305e6e9f5526e8a8210fe26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:22.809529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049521/publication.txtobserved a7bb1ac3e497b169edd683f78a14d706...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. |
|---|