OpenTechnical

OT-2026-000102340

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000102340) never changes.

Identity and time

Publication numberOT-2026-000102340 · never reused
Internal UUID01a0aea4-50f4-7eb6-984a-5bdf678fd307 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102340
StatusPUBLIC

Content hashes

Canonical text1f7d8a856ccf03fc811d59f12206f30718ebbf60766615605cbd1e72eafcdf47
Markdown3f7e5d39910794b135cbb862d7980a621e5f9715fcf41b04edd4d13609fa7382
PDF
Publication pageb064b481f3807cb8e9544c34e5bf27ed5d9577889c9ec4aec6d3cc88568ab607
Manifestb7cdba2b9e17c487973cdcbb89e45387c73f0fbc064f7cefc6480502c0c3521f

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
Signature8RKsozxGOfqOgiiBqzWoi1FdFShiI/QilmmfwtKHqw0pKd91y1PWL+4F7Jd6PzaVgiCHl7ZPwaKSaefVw1v6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:32.991604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102340
observed b064b481f3807cb8e9544c34e5bf27ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.973040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102340/manifest.json
observed b7cdba2b9e17c487973cdcbb89e45387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.954760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102340/publication.md
observed 3f7e5d39910794b135cbb862d7980a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.937110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102340/publication.txt
observed 1f7d8a856ccf03fc811d59f12206f307...
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.