OpenTechnical

OT-2026-000054056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054056) never changes.

Identity and time

Publication numberOT-2026-000054056 · never reused
Internal UUID01a0ae85-b3a7-705d-987a-ad9d440417cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054056
StatusPUBLIC

Content hashes

Canonical textbe714681de28f13b702db23562bcd6eb2bec83f824b733e8f7ff2ad47059b65d
Markdownc71436581dd0e9f8c78eb0eed34200ccdc373f7621659449157b9f467c79e096
PDF
Publication pageb8b4bd318bedbe3eb037c87006bea819771b2ba0b28764b4c51cb5ca0d5afd65
Manifeste0231d40cdac6ca7568ddb4d608727ba929702d7e044da9685c66a87afa8974c

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
SignaturesxVzm3dWXYzstHVsEoGYBwVRkSQ4Ba6WYaNxRWzgWyGyC7PG8Jp9e4tPsTyA7MbVnMKU7l/iLmS56V0oG3C+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:25.787282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054056
observed b8b4bd318bedbe3eb037c87006bea819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.767777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054056/manifest.json
observed e0231d40cdac6ca7568ddb4d608727ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.747873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054056/publication.md
observed c71436581dd0e9f8c78eb0eed34200cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.728833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054056/publication.txt
observed be714681de28f13b702db23562bcd6eb...
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.