OpenTechnical

OT-2026-000045471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000045471) never changes.

Identity and time

Publication numberOT-2026-000045471 · never reused
Internal UUID01a0ae7c-f76d-7085-a883-e78ccc9f458c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045471
StatusPUBLIC

Content hashes

Canonical textb8d22658a5af1782ca65f389a8e6f71f63c85ca3d6223fd7cfcf7b545352c826
Markdown0558cf6923032af519f6d4a5a29f52af38c3f2427efc2ad0a5c9f4a7b817de29
PDF
Publication pagef576ef19a5ae16272d85263f79f27d96ef5756305479112644cb0bffb1060627
Manifestaf9a967659d552b2c610fb8018c8cf5136ae7789be1a5de6fb2d7e888c87977b

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
Signature6Byasc16D5rjo+CjNM1LKg6jkk3LFb+oTo6h74whs5nItO5f+6y2fKj9RS31w1Ja+B8QOhALV5hZS743TT9OAQ==
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

2026-09-17T11:10:47.011548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045471
observed f576ef19a5ae16272d85263f79f27d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.991383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045471/manifest.json
observed af9a967659d552b2c610fb8018c8cf51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.972884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045471/publication.md
observed 0558cf6923032af519f6d4a5a29f52af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.952406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045471/publication.txt
observed b8d22658a5af1782ca65f389a8e6f71f...
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.