OT-2026-000008557
Publication integrity record
Four cup vacuum gripper, four 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-2026-000008557) never changes.
Identity and time
| Publication number | OT-2026-000008557 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46b-7eea-b993-2e00ef27c35e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008557 |
| Status | PUBLIC |
Content hashes
| Canonical text | f99f4845369c607965e3005450b8e0b9e5d7c874d6f956b04de8c1574c8a5e04 |
|---|---|
| Markdown | 3b54ccf12101627bedfcf9ca3550bf2a849b356db5ceb3da7422a590088c41c8 |
| Publication page | e07ed5ab36567b7b549c78cc241a4f370fc64b2e55a4f6b197d09e2b110cac57 |
| Manifest | 5acd679a6e3e9240678c08ef1f8464cad21420582d6490a57c67488185bee2d9 |
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 | JN1yyW8cXzNZmKN6Jce5hFe3YoIaG7eHiz9nR8sfQ4GXtjni8ITfwvlqHSIn/x5lx8QpB4ehjkQ11QGyE256Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:29.383826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008557observed e07ed5ab36567b7b549c78cc241a4f37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:29.357727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008557/manifest.jsonobserved 5acd679a6e3e9240678c08ef1f8464ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:29.336611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008557/publication.mdobserved 3b54ccf12101627bedfcf9ca3550bf2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:29.315343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008557/publication.txtobserved f99f4845369c607965e3005450b8e0b9...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. |
|---|