OpenTechnical

OT-2026-000010740

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000010740) never changes.

Identity and time

Publication numberOT-2026-000010740 · never reused
Internal UUID01a0ae6c-0ee8-70e7-a30b-1fc9589cb12d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010740
StatusPUBLIC

Content hashes

Canonical textbb5b46999ad5f569febac6bb632a1cf81b01c4f619f0b1d180a994a96735d10e
Markdown239dfed4f79e01a72ae0bfea9fd11c558481936e9477e4318d2e49112dc29edc
PDF
Publication pagea702a36aae7e0e9337a89ac279793eebdafdb62425d31fdc507fea76a65f3c50
Manifest86271a028c17828f5830d3c19dcce980f73c4abf237624ecfc8646f47a083304

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
Signatureue8DE3Fl/TIAa7G+MxI8qDZCcP1uICKFNY9f1j5XVL1b4zsM2pPMZ/eUJNELlZO6x1uIM2uj0sYUKTEnfvtuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:58.151540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010740
observed a702a36aae7e0e9337a89ac279793eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.134246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010740/manifest.json
observed 86271a028c17828f5830d3c19dcce980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.114060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010740/publication.md
observed 239dfed4f79e01a72ae0bfea9fd11c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.092311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010740/publication.txt
observed bb5b46999ad5f569febac6bb632a1cf8...
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.