OpenTechnical

OT-2026-000082049

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000082049) never changes.

Identity and time

Publication numberOT-2026-000082049 · never reused
Internal UUID01a0ae97-4d92-7e4c-9460-4616c9f9b3e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082049
StatusPUBLIC

Content hashes

Canonical textc65254d7947ebfd0f4930d32f7ad53eb697a7235cdf53f8c971d4fc121d5047e
Markdown67336c0b2530919708ed2a4becf29e9d8a149bf7656fbfbba19eb99c6399f739
PDF
Publication pagef3a993c511e7ab22e6e929774e54cab4e841896b6333c3325c4ca43dd62b3cff
Manifest9259b06cf9a1d97e37af3b9c9cbf461e4a146c23a4b81788601604fc6fafa5f9

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
Signature7QqwK6G7pNHwnSUVJRZtWdUltNu10PlqDLGbsur813FEmfXIRoQIT9mEJodE7C7j3SHUq1zPeMRC60GkLJ7yBg==
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

2026-09-17T09:58:50.766543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082049
observed f3a993c511e7ab22e6e929774e54cab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.750251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082049/manifest.json
observed 9259b06cf9a1d97e37af3b9c9cbf461e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.732984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082049/publication.md
observed 67336c0b2530919708ed2a4becf29e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.715948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082049/publication.txt
observed c65254d7947ebfd0f4930d32f7ad53eb...
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.