OpenTechnical

OT-2026-000104296

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000104296) never changes.

Identity and time

Publication numberOT-2026-000104296 · never reused
Internal UUID01a0aea5-3420-71ed-95d9-ebd995eb8eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104296
StatusPUBLIC

Content hashes

Canonical text164f1d7734f4485ef18f7fd08f29f93d64741bd1821835653bbbf9a6aba85d73
Markdown6a4367b08a4083464c71be485dc13e820b5f7cab98892067866cd18e7feaea67
PDF
Publication page72176a20c7d58200c9a53370e66394f21ba1011d98009bfd46511804bd1c3ae2
Manifest7fad29e8013d531133aecd840beffd0492feae93581a4305092529f93495b521

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
SignatureRSel00HItmythsty4kAE4zcUtz7I3jZgvkyAxW+Tie4kK/A40u0a6Otmfrqw/l6+j9junhflgE5BG5xuVaWpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:32.394916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104296
observed 72176a20c7d58200c9a53370e66394f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.375328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104296/manifest.json
observed 7fad29e8013d531133aecd840beffd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.354959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104296/publication.md
observed 6a4367b08a4083464c71be485dc13e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.335962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104296/publication.txt
observed 164f1d7734f4485ef18f7fd08f29f93d...
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.