OpenTechnical

OT-2026-000072850

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072850) never changes.

Identity and time

Publication numberOT-2026-000072850 · never reused
Internal UUID01a0ae92-89da-7e26-93e3-1328b4f43e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072850
StatusPUBLIC

Content hashes

Canonical text1792e343a1338309c0fbb2393acfaadf79b0b37318566c4c287920f4125844b9
Markdown54985425f9a82197eed8c9da49a270a0942fa969bf93514ce614d9335cbcea20
PDF
Publication pageced98a4eb43f1ab44d2d05d560fb07b33bb78b305b9c8ca630d55338f7346148
Manifest5af6e91780c9774aa8242b83b832c167892fa4e0c87c3839a733022a411f0863

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
SignatureTudbx2/nO13ekkAaj6pVOHeicTiChBAZ/xssVIGAOdVUepD6gSspaZ52p6x0uFIlB9uDStbHY/vpXJc+fYZyBQ==
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

2026-09-17T10:22:46.370902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072850
observed ced98a4eb43f1ab44d2d05d560fb07b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.354810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072850/manifest.json
observed 5af6e91780c9774aa8242b83b832c167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.338897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072850/publication.md
observed 54985425f9a82197eed8c9da49a270a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.321613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072850/publication.txt
observed 1792e343a1338309c0fbb2393acfaadf...
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.