OpenTechnical

OT-2026-000009523

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000009523) never changes.

Identity and time

Publication numberOT-2026-000009523 · never reused
Internal UUID01a0ae6b-7562-71aa-a9ed-9ef7f0870f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009523
StatusPUBLIC

Content hashes

Canonical textb1b536e474cd301f6e97322744d9327dbf0d64210890417304825f329be67638
Markdowned68e8772c9e82a225c9738418b678a20b0198772a55735807e421d033ad0784
PDF
Publication page5b4e95e8aee25300b8ccd62fb4e3c766bfd800141109453980391076b4bb1a15
Manifest870a5f7c87f5bba34d9e9f56eff24336a18725f85ccfe15b27775652b85f6189

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
SignatureqYlMxlasKLJXdi282zfi0q5iDKllogR/qTc9RRvbT6Chi0lp7rrOsqtWh7zpYMIGyAdCB6R5ocKOQ0Hx1IRqCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:56.341445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009523
observed 5b4e95e8aee25300b8ccd62fb4e3c766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.321498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009523/manifest.json
observed 870a5f7c87f5bba34d9e9f56eff24336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.301416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009523/publication.md
observed ed68e8772c9e82a225c9738418b678a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.280719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009523/publication.txt
observed b1b536e474cd301f6e97322744d9327d...
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.