OpenTechnical

OT-2026-000100317

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100317) never changes.

Identity and time

Publication numberOT-2026-000100317 · never reused
Internal UUID01a0aea3-3053-7a93-9436-d3913c8cc504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100317
StatusPUBLIC

Content hashes

Canonical text385e71288a71525739043c610239f25a8d1868641c8c81db1ae545cf52e4f655
Markdown24effc1edd1b9068baac54f775a94a329f38d869e93ff895b6ca05e581e3d93f
PDF
Publication paged2782c9810b975818fa2f26830944b7dd97c79bdf34d116932dd2566b5ccfa32
Manifest813c7762f7a258e4be20151d3b1ff091b5a3049fcbfe5ecd6891c291c4a3468d

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
SignatureTP1cFa3IGQ9gkkiVQb0SFqZEEEP0+3LEL7A7QZtHS1dssbnssIA4g4oW83Qu3v6pSaAU6hKxOFPopmRHauToBQ==
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

2026-09-17T09:30:15.292979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317
observed d2782c9810b975818fa2f26830944b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.272136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/manifest.json
observed 813c7762f7a258e4be20151d3b1ff091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.250613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/publication.md
observed 24effc1edd1b9068baac54f775a94a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.215298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/publication.txt
observed 385e71288a71525739043c610239f25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.973935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317
observed d2782c9810b975818fa2f26830944b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.955773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/manifest.json
observed 813c7762f7a258e4be20151d3b1ff091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.939345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/publication.md
observed 24effc1edd1b9068baac54f775a94a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.922478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100317/publication.txt
observed 385e71288a71525739043c610239f25a...
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.