OpenTechnical

OT-2026-000073707

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073707) never changes.

Identity and time

Publication numberOT-2026-000073707 · never reused
Internal UUID01a0ae93-2b8d-7ec0-99a1-266609f3de4e · 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-2026-000073707
StatusPUBLIC

Content hashes

Canonical textba443a081bc29bdc5a24e0ddb527341699658b9bfbc17b77db880e4d18d9ac68
Markdownd9a5179a118effdd1ba1b7fc990202d2129381a116986fac4617cded2fe3d080
PDF
Publication pagea5d73f9f178573d6adb0d8cbefab82eb825aa395299a300a136efc0db021baeb
Manifestb7709b2f9f52c5e025ee5a47da68cba39b3c85f7b13732ad031929c43307131d

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
Signature9oWf89C2+lTF06/MPJneUXJheV3k9G0D4ZR6cnV6ZDM2nzcBp7qWL0dqVeVW9yCG17wV393c5hGUXEBawCZQAQ==
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

2026-09-17T10:19:46.504825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073707
observed a5d73f9f178573d6adb0d8cbefab82eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.485460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073707/manifest.json
observed b7709b2f9f52c5e025ee5a47da68cba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.467006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073707/publication.md
observed d9a5179a118effdd1ba1b7fc990202d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.448484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073707/publication.txt
observed ba443a081bc29bdc5a24e0ddb5273416...
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.