OT-2026-000007401
Publication integrity record
Vacuum cup gripper, four zone face, three outlet manifold, pump fed, contact triggered, polyurethane cups
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-2026-000007401) never changes.
Identity and time
| Publication number | OT-2026-000007401 · never reused |
|---|---|
| Internal UUID | 01a0a97d-7285-7a90-a37f-b7df353d18be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:12:45.960415Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 069568c251b10cb26b13a731725d58d6b281ab8f4b890a2718d38c9f86820fa1 |
|---|---|
| Markdown | c22c4830a5c1851157ab1eb5d8483c7dea2e6823313c710d332d1a8a83154362 |
| Publication page | 3b2f7e18b1a09db1b063cd6b92a6c87de030c13d2d8f050e1757457691609ea5 |
| Manifest | 1abe3fd53355ff1184a28a4a63407aac017f132a7d75f273a81344c786602497 |
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 | 2K1HZQSE07gTIx8k1DsEYvzUR5IWyz1wk+Hm/AvvCtO3ldCisABt0rsHS0EO+nEZHp2lOQJX4X1quqH5tgnMAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:07.459581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007401observed 3b2f7e18b1a09db1b063cd6b92a6c87d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:07.446708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007401/manifest.jsonobserved 1abe3fd53355ff1184a28a4a63407aac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.433049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007401/publication.mdobserved c22c4830a5c1851157ab1eb5d8483c7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.419272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007401/publication.txtobserved 069568c251b10cb26b13a731725d58d6...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. |
|---|