OpenTechnical

OT-2026-000012541

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000012541) never changes.

Identity and time

Publication numberOT-2026-000012541 · never reused
Internal UUID01a0ae6d-39f7-7c5e-909a-03342be8ec1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012541
StatusPUBLIC

Content hashes

Canonical textad247f2b1ef448b95ce05df2ce4aaba60401417fe2d76f0f2aec40e686301f48
Markdown4f8ae1d13297e5b0d6122171de5baf667e47f10341b6aaea3bdd5c1cb8317159
PDF
Publication pagecddaab81e200c05014863fa84cac4a0d34d2b62545a3fcd01229fdf0827d049a
Manifest902ad7cbe2b5f61c2bb1ee24d560aeff3e66f1d50f67690c57bc2b923703d52f

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
SignatureVZyFUDmqVXUXrgfGfb3zhiDW+CpD+viDkYMrlwdMBR3rDDbwEurgmxGMxiJgEzu9NajrC0gV1L6OsiBdYAeJBw==
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

2026-09-17T12:12:04.663804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012541
observed cddaab81e200c05014863fa84cac4a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.639093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012541/manifest.json
observed 902ad7cbe2b5f61c2bb1ee24d560aeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.614520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012541/publication.md
observed 4f8ae1d13297e5b0d6122171de5baf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.592057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012541/publication.txt
observed ad247f2b1ef448b95ce05df2ce4aaba6...
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.