OpenTechnical

OT-2026-000073379

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000073379) never changes.

Identity and time

Publication numberOT-2026-000073379 · never reused
Internal UUID01a0ae92-efb8-7bcd-9b1f-ba733f15db5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073379
StatusPUBLIC

Content hashes

Canonical text548fc68ae3c68f384a248ccc9b5a3cd5daf8b3f4800a176602d4f63e945a148a
Markdown0603d93c99116f75c7724f09f38e21214465e6eb5a12e7ba8f74ef44ea87e5ef
PDF
Publication page2a092a362eafd7f7ad95e135b5356d7724acbc6442aaafced541ce18f153b36f
Manifestff7e234e6d6f70012197ee7ef51a7d0392ed23ca32211399fede32d838026e52

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
SignatureMBlBNH2pAZmnDZSSNWuNk7wsN52py0S+VWj37b8H8uGWyJ1p96h8e9auw+EJye54mBpWwiUhuVe2vR4nSW9TBA==
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

2026-09-17T10:21:25.172837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073379
observed 2a092a362eafd7f7ad95e135b5356d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.155481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073379/manifest.json
observed ff7e234e6d6f70012197ee7ef51a7d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.138272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073379/publication.md
observed 0603d93c99116f75c7724f09f38e2121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.118708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073379/publication.txt
observed 548fc68ae3c68f384a248ccc9b5a3cd5...
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.