OpenTechnical

OT-2026-000072983

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072983) never changes.

Identity and time

Publication numberOT-2026-000072983 · never reused
Internal UUID01a0ae92-c815-7817-8668-5c0b4e2eb4ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072983
StatusPUBLIC

Content hashes

Canonical textd21e8690041371427dfbb9c0d63c38749946f3291133eb00e7040bd3fd172975
Markdown8e55c112e9c7576ca0b2b5f1a061dfec80daf90910a68a6666acad4fb82c24c0
PDF
Publication page0452f1f93a1b93409bfaf60ad9720bd1a9a59084bdfe4bb4174d53044eb82e4c
Manifestaca98b820019c9703890ecb31dfe8235bb24527160c1ac2124c1286c4ab1c674

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
SignatureINsz9O/s9LUDBFJuhjOBaNMgzqlY+gGkvZYSJyrFFeKKrSZLFf8PKh1n6ArbeMS01//3OtcxQsEZZp93KWxECg==
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

2026-09-17T10:21:54.802060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072983
observed 0452f1f93a1b93409bfaf60ad9720bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.785727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072983/manifest.json
observed aca98b820019c9703890ecb31dfe8235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.767688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072983/publication.md
observed 8e55c112e9c7576ca0b2b5f1a061dfec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.748899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072983/publication.txt
observed d21e8690041371427dfbb9c0d63c3874...
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.