OpenTechnical

OT-2026-000038068

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000038068) never changes.

Identity and time

Publication numberOT-2026-000038068 · never reused
Internal UUID01a0ae77-f88b-7838-b06c-74c286e1b58a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038068
StatusPUBLIC

Content hashes

Canonical text1e49d221dad5ab1fd0da573f680b54f3f3b4ef10ae3893f081680aaf0ba3ab1b
Markdown5eed52df363262f94dc6f87b968afc578e6b2ad374838a3d680ebe1626f9d53a
PDF
Publication pagec9d9013bbb81ddec31fded9e1527c29d2752b66f836cd8127a34ddcac66a61d9
Manifeste0eb2bd07c0cc9094aae88c49afca78847989a022d250215be5f723e82e6093f

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
SignatureGhoiaQATuGm2w2idm/QC4Z3LAlbQ3ZDYxImSr2Lv8/AYvJ5aIuAuk1Cwg1lyKjjr0Flt0s9PxUoF56PWbRtGAw==
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

2026-09-17T11:23:23.573280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038068
observed c9d9013bbb81ddec31fded9e1527c29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.557102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038068/manifest.json
observed e0eb2bd07c0cc9094aae88c49afca788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.539339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038068/publication.md
observed 5eed52df363262f94dc6f87b968afc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.519946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038068/publication.txt
observed 1e49d221dad5ab1fd0da573f680b54f3...
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.