OpenTechnical

OT-2026-000045351

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000045351) never changes.

Identity and time

Publication numberOT-2026-000045351 · never reused
Internal UUID01a0ae7c-f76b-734c-9b48-14d0279b2dcf · 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-2026-000045351
StatusPUBLIC

Content hashes

Canonical text75cb5a0bfe09b78976f668a3a61f71244baddbb1eef6b85ded822e487d7cf9c4
Markdowncf0618927e9d29a7e03080312b29e4eb1570a55863be60423b7e31ba6f4c1b9b
PDF
Publication page1ed79bf34edfe474240550184846e699b117a696ef116f1c94029047562c8d00
Manifest9bce4ef526ec70ffe0c95efeac0c8519e7538b0b22fbd9f7bc445b17927c488f

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
SignaturebkZ4HVKrbZwAqAoKUir6SGyLSQIZbju50NZEd0+Cpke93KGgUCf17sP2tdyhoR00IxRzrrjWBIgrVWDsl/sQAA==
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

2026-09-17T11:10:36.834605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045351
observed 1ed79bf34edfe474240550184846e699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.816794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045351/manifest.json
observed 9bce4ef526ec70ffe0c95efeac0c8519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.797922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045351/publication.md
observed cf0618927e9d29a7e03080312b29e4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.778063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045351/publication.txt
observed 75cb5a0bfe09b78976f668a3a61f7124...
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.