OT-2026-000021344
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000021344) never changes.
Identity and time
| Publication number | OT-2026-000021344 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7ce9-a1c5-da9f4f3d3e1e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021344 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cc0c67487667251a89bfe73d4ffc2c85f516c8843edb0c99a8ba5c07ac7532e |
|---|---|
| Markdown | fb12c18da019d8e73d7a17e1106f33b4fae7ca1c66a934dff143a7fd1f3554ab |
| Publication page | 8462e09e7aeee656fec8b5fa568b8fbeaf036c9a64e342d38d833eea4ceea92e |
| Manifest | 196b96cb9108507a67941295fc5d35498e994843f8819549cd70b469e1ea9080 |
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 | aiUTN0glw+hcK+aXxs6/rnnv7tYZCpr2NJHeU6SiO5oGIDYsdzBuvJLbeoNulZGua6OAzwL5QKyLV699uuCXAw== |
| 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
| 2026-09-17T11:55:11.858824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021344observed 8462e09e7aeee656fec8b5fa568b8fbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:11.840337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021344/manifest.jsonobserved 196b96cb9108507a67941295fc5d3549...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:11.820266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021344/publication.mdobserved fb12c18da019d8e73d7a17e1106f33b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:11.803289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021344/publication.txtobserved 7cc0c67487667251a89bfe73d4ffc2c8...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. |
|---|