OT-2026-000042220
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000042220) never changes.
Identity and time
| Publication number | OT-2026-000042220 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-771a-9a96-55d7913347a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 36b9448f2d2be66ba550c946a1fd6d7d2069d08686a4b00eb4d2f9e8ef7023c2 |
|---|---|
| Markdown | 777bea6085653e4367b32d1b8c55520c28820167562555d393e91dc595b11d21 |
| Publication page | 192c9bae26ba4fbb355f86ae49663e47dad84d744fd33055d9a4b32cc71857c7 |
| Manifest | dd2be3dd2a1f5345d15c8dbf6883d61ce42e94802f9a9304251f442677e5ed03 |
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 | 9RmRgsAoSFQe+8+JmTgHFVfHu9evMFlBx9fREaCkcFJBh4qrOZ2FObTRpV+sYX7s60NC4c9Uvz7kyGtyZGi8BA== |
| 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
| 2026-09-17T11:15:53.579375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042220observed 192c9bae26ba4fbb355f86ae49663e47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:53.560373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042220/manifest.jsonobserved dd2be3dd2a1f5345d15c8dbf6883d61c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:53.541479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042220/publication.mdobserved 777bea6085653e4367b32d1b8c55520c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:53.519286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042220/publication.txtobserved 36b9448f2d2be66ba550c946a1fd6d7d...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. |
|---|