OT-2026-000023021
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000023021) never changes.
Identity and time
| Publication number | OT-2026-000023021 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ec-70c9-bdc6-a4e8a02080a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70e68ddf2d8b959c094e3946163ce3a036d7560eccbc47f735babbe9a87c50ef |
|---|---|
| Markdown | bf20d27d1dc779250f04051c08083e00fb41e929ad79e0d5b6c7cd40360e4e87 |
| Publication page | 07019f49c3d10f04193b16e55cd893a1bbed5a32e1bd8a0ec15c698f971c35b2 |
| Manifest | 12dba7882b753e8a53fd1b43a501d4829ebe333a154473432ef2e9aa8733c387 |
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 | 11XHlxx9DLUnbCwyHuAJm42oIoHX6bibYCVnDQ4BELL7c86SWeNw7v2BuNLn8LNGnerO+CmyEIPYr8a8rJPLAw== |
| 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
| 2026-09-17T11:52:37.167684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023021observed 07019f49c3d10f04193b16e55cd893a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:37.150568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023021/manifest.jsonobserved 12dba7882b753e8a53fd1b43a501d482...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:37.131779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023021/publication.mdobserved bf20d27d1dc779250f04051c08083e00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:37.112360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023021/publication.txtobserved 70e68ddf2d8b959c094e3946163ce3a0...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. |
|---|