OpenTechnical

OT-2026-000073176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000073176) never changes.

Identity and time

Publication numberOT-2026-000073176 · never reused
Internal UUID01a0ae92-efb6-7a29-b98a-6ede2512b7d9 · 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-2026-000073176
StatusPUBLIC

Content hashes

Canonical text038171f8ee982fc684a7a34632c0facd62a3179035b75459066e8663b35bba09
Markdowna7ed99de64b9eba9a898a16123f1767ef6afd2aa0e93a8b9f41fa1000686f79c
PDF
Publication page5d88720fd91438bac98204aba41a01b9e99ef6a0382f6580ed256c2ab4f6155d
Manifestf85ed3856bb4870ada055f1e0e18d789ded83fdab8ce50ea175bc18843bb9685

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
SignatureF7vrV171DSXiVk8jUr0cYSVT70WQUABBHgCPjvcYS0tfzU66/DgFii+PiF4xdowM0cm0mKGVaAqr3N/Zny9bAw==
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

2026-09-17T10:21:07.750641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073176
observed 5d88720fd91438bac98204aba41a01b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.730878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073176/manifest.json
observed f85ed3856bb4870ada055f1e0e18d789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.711546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073176/publication.md
observed a7ed99de64b9eba9a898a16123f1767e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.691190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073176/publication.txt
observed 038171f8ee982fc684a7a34632c0facd...
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.