OpenTechnical

OT-2026-000073734

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000073734) never changes.

Identity and time

Publication numberOT-2026-000073734 · never reused
Internal UUID01a0ae93-2b8d-722b-a409-f2ec0242d123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073734
StatusPUBLIC

Content hashes

Canonical text89f0a225fc53eae2a2eeaf190c51bfc90ab2222fe65518ca86df3c6302829bb3
Markdownb340c5f7d070149f4e2fc20894241e6b3618bf4bd184c6b3efc89c8805573762
PDF
Publication pagea316abe778ebf9c54149c1f6cecd5417d168c5ef59b048c67f6e7da139276a3a
Manifest6dbe0965caef9051459b5fa74ee4531a792b6b3a4c9a23b2d36e1cfa99d2c680

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
SignatureR4bih/6N5HRnf+UBAn1EWVD0lCwfVh80LGTLVoDymRdMf8rPsld2R+ykpOjxu02Z7YhSrXYqRsgi0g3thNluDQ==
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

2026-09-17T10:19:48.757409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073734
observed a316abe778ebf9c54149c1f6cecd5417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.738237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073734/manifest.json
observed 6dbe0965caef9051459b5fa74ee4531a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.718193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073734/publication.md
observed b340c5f7d070149f4e2fc20894241e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.700234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073734/publication.txt
observed 89f0a225fc53eae2a2eeaf190c51bfc9...
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.