OpenTechnical

OT-2026-000075131

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075131) never changes.

Identity and time

Publication numberOT-2026-000075131 · never reused
Internal UUID01a0ae93-f1ff-7497-ac28-7b056583d51e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075131
StatusPUBLIC

Content hashes

Canonical text984e37b9edf3a050abadf20af5c462c064855ff7a3edb3acab4b0c1298f44532
Markdownad17d720feed501b11cf84710758e72ef8f7fa51b08985d7431e8b14f4405a1a
PDF
Publication pageac0493128713913d4063c1b142427198d9eba2743a49961094da47edcf9a2c73
Manifest1497481e69114902014aa43336cc110e06dd511c37bea96eb48b6624589d0db6

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
SignatureTgaohsaGpe8UAedjRoM38IRgPMVN8fz/sc9X6G/v1OWyGHnNMA3BhFVadyqBpz6DOsa4OUCVTJW6ujadvuqLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:21.144441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131
observed ac0493128713913d4063c1b142427198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.119936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/manifest.json
observed 1497481e69114902014aa43336cc110e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.095529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/publication.md
observed ad17d720feed501b11cf84710758e72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.073275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/publication.txt
observed 984e37b9edf3a050abadf20af5c462c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.248819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131
observed ac0493128713913d4063c1b142427198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.228030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/manifest.json
observed 1497481e69114902014aa43336cc110e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.207556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/publication.md
observed ad17d720feed501b11cf84710758e72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.064926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075131/publication.txt
observed 984e37b9edf3a050abadf20af5c462c0...
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.