OpenTechnical

OT-2026-000072777

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072777) never changes.

Identity and time

Publication numberOT-2026-000072777 · never reused
Internal UUID01a0ae92-89da-708e-9a64-7d96539c4c23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072777
StatusPUBLIC

Content hashes

Canonical text6b69471394dcb4a73bf6a08c2c60778c5d9abcb376a8b272237237d303bb3e45
Markdown1eda10d8e5eef110f32edd308a9cfbf502a900af7a8bbaff1fc10986daa21eab
PDF
Publication page531d0868537171c7bc0c9889bd04790593f4549e25336a0f3ff649fd06b8aa22
Manifestec8bd027c1e7971a7d35893daba8c8aded3ab70e3b408ea4cbe298ffa4bf810f

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
SignatureDKO1jegCy/Gmhs4ZCnV9cayXz1LRlcGr2TvMT1P53SYkwaF5oXLKIXiFlUNlBKnLTK4Wfs6J9UZ1ejPg2DFiDg==
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

2026-09-17T10:22:41.288170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072777
observed 531d0868537171c7bc0c9889bd047905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.269428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072777/manifest.json
observed ec8bd027c1e7971a7d35893daba8c8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.251663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072777/publication.md
observed 1eda10d8e5eef110f32edd308a9cfbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.232182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072777/publication.txt
observed 6b69471394dcb4a73bf6a08c2c60778c...
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.