OpenTechnical

OT-2026-000081632

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000081632) never changes.

Identity and time

Publication numberOT-2026-000081632 · never reused
Internal UUID01a0ae97-0f72-7289-b0ad-a9cca01352eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081632
StatusPUBLIC

Content hashes

Canonical text802cb2c0a4d30afe7ce470588f45bcedab45e546d59e67141bc7740cda1c0aa5
Markdown87fc1c357a3302cfa957127735e9f4b3c71b262e7885d31270a44f35faad4366
PDF
Publication pagec6c95c943fb8740522e1beaed6d5c58df0d251eb0cdd638a2422799d3aa8fee7
Manifest041389aa9a1932043e7bf23600838077c812ea351e929f45b4e54fff379eb7dd

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
Signature5UEX3r1Vr54dtlC2RD8D3mV428lA5TPZiiOsJFcD0fuXsxSwu/uLsIkxv9vtCP11DtcXroU4JXe5YMkvQEPLDA==
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

2026-09-17T09:59:40.864363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081632
observed c6c95c943fb8740522e1beaed6d5c58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.847167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081632/manifest.json
observed 041389aa9a1932043e7bf23600838077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.828731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081632/publication.md
observed 87fc1c357a3302cfa957127735e9f4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.809919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081632/publication.txt
observed 802cb2c0a4d30afe7ce470588f45bced...
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.