OpenTechnical

OT-2026-000073217

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line 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-2026-000073217) never changes.

Identity and time

Publication numberOT-2026-000073217 · never reused
Internal UUID01a0ae92-efb6-755e-b3ad-f7d30bb07940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073217
StatusPUBLIC

Content hashes

Canonical text1af73731ac2276e4df58a5f8b95497ce4b87fd3bd30d50f3bfc6bf80decdb57d
Markdownd20b3818381912f81dc9814816d2d776b85429b0dda9953264fe2be78f459233
PDF
Publication page7d501c12c9775e869069ca9bdba09491765dfcc9fc5440e5ee28b51a6f1de88c
Manifest8fabd73206a03a765b212e2a54c1ba71a454d1303da899c9e5e5928986f9acc6

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
SignaturerqlEyc1Qz1m9bzkeOpNGXQQ2hvDnMEOFk7cNZ4kuNpxg9LV5jyrF/GrNuZRBEdaKfxzi5jJ7jMF43s+Y5cWRAA==
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

2026-09-17T10:21:11.426480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073217
observed 7d501c12c9775e869069ca9bdba09491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.406880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073217/manifest.json
observed 8fabd73206a03a765b212e2a54c1ba71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.389690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073217/publication.md
observed d20b3818381912f81dc9814816d2d776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.370897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073217/publication.txt
observed 1af73731ac2276e4df58a5f8b95497ce...
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.