OpenTechnical

OT-2026-000012195

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off 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-2026-000012195) never changes.

Identity and time

Publication numberOT-2026-000012195 · never reused
Internal UUID01a0ae6d-39f5-72f7-87b7-84c8f1aab23f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012195
StatusPUBLIC

Content hashes

Canonical text055d26e80f6a5aa987ff3d1fb1cbeea0f30af7735a01ef89001ea49925fef4e1
Markdown8d09cf2a27f492801739324a19ce5680d6490df1fcd4bac3a44e5a1c5e16827f
PDF
Publication page5bd9d39a20e4c346741c79426c1bc78283420033a9b9a1d6e753a3e2410232a7
Manifest1d4afa2eae8ac37754da9064182d3ca292afcacfb0bc410f17d54a29266fcaa1

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
SignatureYgHrTzEY0ep90mw9q2+t/ZltuvZNvSq46/43YTP/8bsyTOqp3S/J12RLO9hLV++3yUruiheI75pH9TCYKiwkBw==
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

2026-09-17T12:11:06.256029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012195
observed 5bd9d39a20e4c346741c79426c1bc782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.234253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012195/manifest.json
observed 1d4afa2eae8ac37754da9064182d3ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.214525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012195/publication.md
observed 8d09cf2a27f492801739324a19ce5680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.195889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012195/publication.txt
observed 055d26e80f6a5aa987ff3d1fb1cbeea0...
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.