OpenTechnical

OT-2026-000009482

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000009482) never changes.

Identity and time

Publication numberOT-2026-000009482 · never reused
Internal UUID01a0ae6b-7562-74b3-a565-73ee5417ca01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009482
StatusPUBLIC

Content hashes

Canonical text389b1120b5679da04058de381155a28bd7aaa26a5dccca3f78aef79d90c12b13
Markdowna8d4124dbf9dd662a4147ecb173b71e0583af700ede4784637c19288beeb7e16
PDF
Publication page2ff5462115c41efd7c39d53d4fd0029f3b3b763f6b87a0d06045cd513c26e1ba
Manifest4f56bb04c1c18bc2dcb08596241b448a231a3cf8adc7ac2e895332e8ba96ef1b

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
Signature1HdBpUhWDjhTWnX0rCptnf/h01DgdtsEYrEOhoY/rC3BEwafoQa7vB85GXhKjQcno7vZo2lHTWk6xe9X7g0GAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.785590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009482
observed 2ff5462115c41efd7c39d53d4fd0029f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.766706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009482/manifest.json
observed 4f56bb04c1c18bc2dcb08596241b448a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.746281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009482/publication.md
observed a8d4124dbf9dd662a4147ecb173b71e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.724542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009482/publication.txt
observed 389b1120b5679da04058de381155a28b...
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.