OpenTechnical

OT-2026-000073252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073252) never changes.

Identity and time

Publication numberOT-2026-000073252 · never reused
Internal UUID01a0ae92-efb6-7b99-8828-bbe698fb0bf4 · 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-2026-000073252
StatusPUBLIC

Content hashes

Canonical text589cee810c8539abe97c11402a95f50adb26ef27e40ea4ec10ff2854a3471fc2
Markdown4c330f5c1a5d1b96f29ea8ddceb60c24a6dc606d475771a47cd068c580701eea
PDF
Publication page5d9abbc4284e1dbf48ed2faf7aa7bf3d0bb802d0f03fb134729aec4690953717
Manifestda7d993ad9346af795c9450024e8fd51a41528d2f8598b405723b3453b1b2ef6

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
SignatureLvY3UwrOHGv++7xxjKGZai4DfPWw4ds6/zE1OJdi2FI/L6ByQiIAhicG6J/fOlktBVrQ1nKwYuhajMo7ovhhDQ==
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

2026-09-17T10:21:14.723380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073252
observed 5d9abbc4284e1dbf48ed2faf7aa7bf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.705183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073252/manifest.json
observed da7d993ad9346af795c9450024e8fd51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.684027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073252/publication.md
observed 4c330f5c1a5d1b96f29ea8ddceb60c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.664962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073252/publication.txt
observed 589cee810c8539abe97c11402a95f50a...
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.