OpenTechnical

OT-2026-000066641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000066641) never changes.

Identity and time

Publication numberOT-2026-000066641 · never reused
Internal UUID01a0ae8e-ce42-7944-be9f-dfabe59f4919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066641
StatusPUBLIC

Content hashes

Canonical text08595436f18fbe75260e3fe76164b22d2ef3b1abd9a381512306c1c36a902e57
Markdown65658972371036efabbeb6530f7b30b101778cae540bc6f2a08d7cffc95ccbfd
PDF
Publication page8a2fe34c455b55355324134279ae19f0495ce4e0b96f4c27b933732f8a2e3ebe
Manifestd4177caa99344b1c99fa4008def6b217fd378ccdce3579eef2ceb55b0450fda5

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
Signature9uThVtv0Y86NO/98R1EiPfhT3+ahOFy1LK8ZNdbcBhNaxcn1SBgHHZzKPCz+MzOH55EBa+Bc2iPq4ZuP7XaUCg==
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

2026-09-17T10:33:01.364338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066641
observed 8a2fe34c455b55355324134279ae19f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.346405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066641/manifest.json
observed d4177caa99344b1c99fa4008def6b217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.327568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066641/publication.md
observed 65658972371036efabbeb6530f7b30b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.308850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066641/publication.txt
observed 08595436f18fbe75260e3fe76164b22d...
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.