OT-2026-000007455
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, open cell, 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-2026-000007455) never changes.
Identity and time
| Publication number | OT-2026-000007455 · never reused |
|---|---|
| Internal UUID | 01a0a97f-6c3b-7e2d-bf64-d5b83a72ad98 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:14:55.422773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007455 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca2835d10ca7d4d39b48a9a70965a47c4b15b4f14fd61bccd6b6f093268afa64 |
|---|---|
| Markdown | cd2629914a283c49a0cda498d4c0e9c8b3091c19a887e80a3d6c7b6d46947dac |
| Publication page | a03f816894c9382aea2339b6db73feee6108ea2e1615a08ae0d399cb7d423c55 |
| Manifest | cb1581a911a467933b8bf1fe3ebe6f66a25df21c3e89c902c67466619feee32e |
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 | zsDV5uFUPBo2V2QSXh+EeRZgL6fKZ90hmp2PEMUlCLItwFJeq1WPT8S4p1b1U8xrzEi5EPfV7kgWZ3rXNff0Dg== |
| 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
| 2026-09-16T09:20:04.446497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007455observed a03f816894c9382aea2339b6db73feee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:04.433576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007455/manifest.jsonobserved cb1581a911a467933b8bf1fe3ebe6f66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.421179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007455/publication.mdobserved cd2629914a283c49a0cda498d4c0e9c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.407026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007455/publication.txtobserved ca2835d10ca7d4d39b48a9a70965a47c...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. |
|---|