OpenTechnical

OT-2026-000068781

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068781) never changes.

Identity and time

Publication numberOT-2026-000068781 · never reused
Internal UUID01a0ae90-6dcb-77b0-95bf-4d86a1f38894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068781
StatusPUBLIC

Content hashes

Canonical text16c1f96b51fb4060c93afac6e5c80ba8c9bcd9191d6153bb144b42b8d83f3a07
Markdownf8fae63375c7293760cf8918d65d76e44c0f0344c64d6e450e2adf7afec98a4f
PDF
Publication page0bcdc2ab1a838ad93d6ff5c3dbd0ed3d10d644ad33ec58a9395a29b3ae3d8494
Manifestbdda2687eb49b404237614b03ce3207fa28b9ec65837071c20da00346650548a

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
SignaturepbQF9cyR0JTwSZF7MkZ/cl+ktUSsAVLurYDfqaLZICdng7v9giNRucUCWUEWPObmxZfkvMBytsdxBIaSWY+/BA==
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

2026-09-17T10:28:34.467569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068781
observed 0bcdc2ab1a838ad93d6ff5c3dbd0ed3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.451832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068781/manifest.json
observed bdda2687eb49b404237614b03ce3207f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.435134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068781/publication.md
observed f8fae63375c7293760cf8918d65d76e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.418600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068781/publication.txt
observed 16c1f96b51fb4060c93afac6e5c80ba8...
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.