OpenTechnical

OT-2026-000071222

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071222) never changes.

Identity and time

Publication numberOT-2026-000071222 · never reused
Internal UUID01a0ae91-e0ec-7b30-88c8-48adea662c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071222
StatusPUBLIC

Content hashes

Canonical text873641f353320dd90105778ebb5a8e553c989c2157ca537b237cf11bded52b93
Markdown82966b25321a034a604c1fd34eaef9375199f2d70563b648f539055150409987
PDF
Publication pageccfaf5fa9708bf64f865b751caaeb6460c7c06ae45e7710c3f9d4429f8554368
Manifest385e488d72ec7aa9be6f4f39eac28d6339134a1693f52b4faf5e3fef40f8cb25

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
SignatureUOuMR27H3bXmiLsueQy7FgbLzjtDD2013PTNWbZewm571OInDEavp3n0fIeXgl49nRq0ZnszRVF7XMHaCyRWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:45.732326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071222
observed ccfaf5fa9708bf64f865b751caaeb646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.714723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071222/manifest.json
observed 385e488d72ec7aa9be6f4f39eac28d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.697829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071222/publication.md
observed 82966b25321a034a604c1fd34eaef937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.680697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071222/publication.txt
observed 873641f353320dd90105778ebb5a8e55...
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.