OpenTechnical

OT-2026-000070517

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000070517) never changes.

Identity and time

Publication numberOT-2026-000070517 · never reused
Internal UUID01a0ae91-5460-7179-b66d-8d69ffcece5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070517
StatusPUBLIC

Content hashes

Canonical textddfe07583f23a6b5085b38c806cdd7d86a328500f6fe58f799cc381bf4b05b3d
Markdownfd2a5d5656c5a0eba8aa9cafff2946119aea9b87421154bb1204c6b33d4b0b69
PDF
Publication page685811299a13dd8cb956cdb5578a058a6bc8a2d71d14559b2dacae31f055b3c8
Manifest5c6618995f105299062ef98bff4b194d45f9cafcbda81e1190b5982c4d613ed7

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
SignatureNdvSr72Lb7QRu9OhPOrBeKbAW/bIMKLoezCyD7PdBxfEjbJTF3plvH40WNDl2O30Qg1ZXWQBqhdJ8mGRU7l1Aw==
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

2026-09-17T10:26:21.716028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070517
observed 685811299a13dd8cb956cdb5578a058a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.696993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070517/manifest.json
observed 5c6618995f105299062ef98bff4b194d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.676843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070517/publication.md
observed fd2a5d5656c5a0eba8aa9cafff294611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.657664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070517/publication.txt
observed ddfe07583f23a6b5085b38c806cdd7d8...
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.