OpenTechnical

OT-2026-000006467

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, pump fed, pressure verified, silicone cups

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-2026-000006467) never changes.

Identity and time

Publication numberOT-2026-000006467 · never reused
Internal UUID01a0a95c-484c-7d82-bf0a-d162219bdc1e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:32.462856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006467
StatusPUBLIC

Content hashes

Canonical text3f350d7bc9152e6ee41a67571bbbaa9837125eb169eb9517e9c7271b76a8ecaf
Markdownae0a7b944e2fe782f69b703bce436edf98a199f9d545b0a71bee3924b761b107
PDF
Publication pagea628f8cdd414429c26864f9c09ae8b7e133d930207d8c462b6178b17452c3e97
Manifest58047d27d377950128b7b167e61defdab4ac441a2698adc08bfad28aa36378cd

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
SignaturexOhLNu+g6BnOCesZW5mD52OIGa97eabB3FpiU+DoPNn9V86Di7TKO1qqXjk8/Qgml8U7H4z+szjm+lJJapjvBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:14.226994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006467
observed a628f8cdd414429c26864f9c09ae8b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.213203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006467/manifest.json
observed 58047d27d377950128b7b167e61defda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.199384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006467/publication.md
observed ae0a7b944e2fe782f69b703bce436edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.185267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006467/publication.txt
observed 3f350d7bc9152e6ee41a67571bbbaa98...
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.