OpenTechnical

OT-2026-000073667

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000073667) never changes.

Identity and time

Publication numberOT-2026-000073667 · never reused
Internal UUID01a0ae93-2b8c-7520-829a-2662ce4e8489 · 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-2026-000073667
StatusPUBLIC

Content hashes

Canonical text0c3298b9b7390cc4560c02682d3f024f0c7c08a2ac0db93731a27a12e453b3ca
Markdownbf6b3c984a0086fc5e8d486d5ce9a0d1ea28e43ca6c1c1dc00effd1b28395b11
PDF
Publication page80b87019cab6b8e534ab3f72ea8e7f6bcb256ba823f4a59921234c3641beb62c
Manifest5e454e74941a9369df1a523966976d3155e5ac4e6aba56e10a61cfbc127e7dca

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
SignaturenKZRi5vlfFRAs0c7FxjHI9CUM769E5mlFtMJl9AtpE0XUhjPQTX3yCgG86CldlQCnzmQgHjs5bsnNe4HUGtzDQ==
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

2026-09-17T10:19:43.343635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073667
observed 80b87019cab6b8e534ab3f72ea8e7f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.325449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073667/manifest.json
observed 5e454e74941a9369df1a523966976d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.308598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073667/publication.md
observed bf6b3c984a0086fc5e8d486d5ce9a0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.291406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073667/publication.txt
observed 0c3298b9b7390cc4560c02682d3f024f...
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.