OpenTechnical

OT-2026-000008031

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000008031) never changes.

Identity and time

Publication numberOT-2026-000008031 · never reused
Internal UUID01a0ae6a-908b-7b16-8e21-317ed0a0bad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008031
StatusPUBLIC

Content hashes

Canonical textb8ad849472c0d62a625779315cef0fc7f2f082ac1a5df98d04dae7d293b8f27e
Markdowneba4d3d07cbb7c3d55963563fa7bdf29bd574603749190b875f245c44f06f496
PDF
Publication pagec26c3422ecb29fb614d8ba231f7ffbef0ee1374ca5e528918caf345b3cd9f4e2
Manifestc38754d28f54969e94e6a417214779e1accbf6e63f232cd86a27c7dd3a85568f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXD7wbpnDQJrDllwJ9bKrkGn1+AL40iJxzOj3enEK/awrFGRce3TX/AyOmmsrYPxhiJSd3cSZ1v4g3WczLXcsBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:08.148222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031
observed c26c3422ecb29fb614d8ba231f7ffbef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.126324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/manifest.json
observed c38754d28f54969e94e6a417214779e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.106888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/publication.md
observed eba4d3d07cbb7c3d55963563fa7bdf29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.086426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/publication.txt
observed b8ad849472c0d62a625779315cef0fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.517663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031
observed c26c3422ecb29fb614d8ba231f7ffbef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.498377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/manifest.json
observed c38754d28f54969e94e6a417214779e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.458450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/publication.md
observed eba4d3d07cbb7c3d55963563fa7bdf29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.419374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008031/publication.txt
observed b8ad849472c0d62a625779315cef0fc7...
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 archivePending 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 packagePending Custody packages are produced weekly.