OpenTechnical

OT-2026-000067853

Publication integrity record

Six cup vacuum gripper, six 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-2026-000067853) never changes.

Identity and time

Publication numberOT-2026-000067853 · never reused
Internal UUID01a0ae8f-c4fb-7959-83da-90db8f5fba8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067853
StatusPUBLIC

Content hashes

Canonical text93cde50dada2a578a8b90c79f2cd535f1fa215cb0006ceff915262dbe61d630c
Markdownb30a56b84b0d554dfe2ec858d1ec4bb30dae75cb4d30f90d308244ac38092d1a
PDF
Publication page9752807867d91b320019e9247c066fc1ab1cc2d07a21ad1fae94b7384cab2b17
Manifest6bcc59345f8aaee12770178e58ad2c1c58714adcb9fa97683b5146e9e17c3a1a

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
Signaturek66VoHvsdsYkV6bsvG0xTpPBQiNZzIrM9COgxs0RUMV/ZQKJKVqTrrlvSvx50qB6raXW/J+Kne18bwPta6eMDg==
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

2026-09-17T10:30:06.933386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067853
observed 9752807867d91b320019e9247c066fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.915084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067853/manifest.json
observed 6bcc59345f8aaee12770178e58ad2c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.897524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067853/publication.md
observed b30a56b84b0d554dfe2ec858d1ec4bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.880320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067853/publication.txt
observed 93cde50dada2a578a8b90c79f2cd535f...
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.