OpenTechnical

OT-2026-000009705

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, vented after 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-2026-000009705) never changes.

Identity and time

Publication numberOT-2026-000009705 · never reused
Internal UUID01a0ae6b-7564-7b40-877f-537a1d3835a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009705
StatusPUBLIC

Content hashes

Canonical text2eb7e83eb0a2cc4546116a87d4d3d8e67e0d62a022e7b00b9b335e207420e6d4
Markdownb304856e0257c2aa9ef621ef0ae8932068de38a565497f2d937d2bd3cc0b0d0b
PDF
Publication pagec7cadcad2b61a15fefa05404bbca83ca96a0eeb97ad3d2c610d8a36b0df2df6c
Manifest9217d46decccd88c3eb50930dfd9308c790dc0491021d9ad050b0760182c6c33

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
Signature896lZhz37b4CyJS1CHJA0zQV8ak5B9lrE5bEHrlnpCqbylOfC+G1UAlAWnysS0R4rJFyc7eJRNKwVBmPITM9CA==
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

2026-09-17T12:17:11.729051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009705
observed c7cadcad2b61a15fefa05404bbca83ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:11.710797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009705/manifest.json
observed 9217d46decccd88c3eb50930dfd9308c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:11.691547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009705/publication.md
observed b304856e0257c2aa9ef621ef0ae89320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:11.671797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009705/publication.txt
observed 2eb7e83eb0a2cc4546116a87d4d3d8e6...
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.