OpenTechnical

OT-2026-000015298

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000015298) never changes.

Identity and time

Publication numberOT-2026-000015298 · never reused
Internal UUID01a0ae6d-ef48-788b-af69-58024cd1841f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015298
StatusPUBLIC

Content hashes

Canonical text4a6e8edce7aee66f440917ea1995d25777e69600c858bb5cd5344fd7cc76c266
Markdown9bd33cd6f36ed30ba9f003eb5f7f688098a3e94f6707d1bec717229bd4fc6a19
PDF
Publication pagea6f68f282275f5ece0908306c3b8ec5bab99835c6ca34a5dacbe80302189d758
Manifest39c720428123b3923f3171232839a8781363dbd647a99bb1b958a5fb79257131

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
SignaturepzEiS9aow0sDsfCF+OtFDH4kSsIwvYAVwCKx7NpYkCNid8MYlRsAZTq0Eg7+pew25FT87pp8UA5UX/o/LFBzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:59.206576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015298
observed a6f68f282275f5ece0908306c3b8ec5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.188095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015298/manifest.json
observed 39c720428123b3923f3171232839a878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.167997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015298/publication.md
observed 9bd33cd6f36ed30ba9f003eb5f7f6880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.149475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015298/publication.txt
observed 4a6e8edce7aee66f440917ea1995d257...
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.