OpenTechnical

OT-2026-000009135

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, vented before 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-2026-000009135) never changes.

Identity and time

Publication numberOT-2026-000009135 · never reused
Internal UUID01a0ae6b-31b9-7122-8ebb-5153fabb9cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009135
StatusPUBLIC

Content hashes

Canonical textcbaae391306c1a002fe7ac6bbf18a9b21f250ecf1c1be7425662559558c2f189
Markdown4267e54e01bd0d065ddd5709054457b40ef02fd08a6aa60c09f089e11b2a0922
PDF
Publication page47b2b698a690962a6a94093a2ebcfdee19c39c72bb8f85fd7b8fbda528f42c41
Manifestefec9d394d8d16ed8c8ad2285dbde61cf4f5c9f3c6af4771ef3799fbb443f1b8

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
Signature6PJMOi0kPF4DDlr/K8r+5JAvMPaU5A89dBcwSw5q2LJoq6dMbbiUckL5YSvo7DIW1YM1BsivJmHjMcTh47OZDg==
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

2026-09-17T12:17:49.781727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009135
observed 47b2b698a690962a6a94093a2ebcfdee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.762193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009135/manifest.json
observed efec9d394d8d16ed8c8ad2285dbde61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.742246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009135/publication.md
observed 4267e54e01bd0d065ddd5709054457b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.720974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009135/publication.txt
observed cbaae391306c1a002fe7ac6bbf18a9b2...
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.