OpenTechnical

OT-2026-000063629

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063629) never changes.

Identity and time

Publication numberOT-2026-000063629 · never reused
Internal UUID01a0ae8c-f945-7681-9641-370d5d395a89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063629
StatusPUBLIC

Content hashes

Canonical text01da6362e4b51d5fe5ace1a7ca81cdd23e3c08b6a9db4c461d5966485c8a89c0
Markdownd4f681dd6efc6cbf674614f5692d6b44ab118dab235292d3e57d82fb279cfcb5
PDF
Publication pageea4ed2315037ff806d1d9b370e3ec71102b7cd4b98f47f2e368a06ed8f4da94f
Manifestae840f365faaf32636d7b3ca91eabd396eafd1bb596b399811720a79a6f9aed4

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
Signature+NqxxH/3upREAZ2tygrSeN0rmxZAm1RMdruJxesRS+Ydx6aPz7j0cUpi4MwbBEiA2AF7DcRVRNUUxNERdmPTBQ==
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

2026-09-17T10:37:39.502484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063629
observed ea4ed2315037ff806d1d9b370e3ec711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:39.484687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063629/manifest.json
observed ae840f365faaf32636d7b3ca91eabd39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:39.466943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063629/publication.md
observed d4f681dd6efc6cbf674614f5692d6b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:39.446451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063629/publication.txt
observed 01da6362e4b51d5fe5ace1a7ca81cdd2...
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.