OpenTechnical

OT-2026-000048141

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048141) never changes.

Identity and time

Publication numberOT-2026-000048141 · never reused
Internal UUID01a0ae80-4de1-7707-8b78-a868361c6fab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048141
StatusPUBLIC

Content hashes

Canonical texta1062b099fb61203ac473219f919bd7cc97c5dd374224eb4ced130f5646ec1e7
Markdown43a139ce5fbc90338ec82a69f5d6e0d234c325a8b2280fbed3293c5c5d144ab8
PDF
Publication pagec829230639afa38d067e838b730c760edc18cd2c416b42c57b5eec70f6168865
Manifest1248524b3c2ec6a79666b4a957ebeeebde6ab276262f20118c5541f9ddee91a1

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
SignatureOTJyltayoaTNl9ZLnDvnlSaxZD6sMt2j+hoGr5V+gdsZOvBQo046zYtLCmqLypvEQNKzEtuJ7cnBi1utW17SCA==
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

2026-09-17T11:04:39.834447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048141
observed c829230639afa38d067e838b730c760e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.814525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048141/manifest.json
observed 1248524b3c2ec6a79666b4a957ebeeeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.795543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048141/publication.md
observed 43a139ce5fbc90338ec82a69f5d6e0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.775835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048141/publication.txt
observed a1062b099fb61203ac473219f919bd7c...
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.