OpenTechnical

OT-2026-000007816

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000007816) never changes.

Identity and time

Publication numberOT-2026-000007816 · never reused
Internal UUID01a0ae62-8d39-751d-833a-f0f7efd6148a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007816
StatusPUBLIC

Content hashes

Canonical text256c2a76002c1b203ee4e9dbda8b0f09d6e339afb5a2e1745e4c27bc4db936a9
Markdown34731c6f6812b41bf5b0dc230285c86b1c94a1064554dd368e2ac8db5dd3ef4c
PDF
Publication page02706404ea14ca35630fdfcdb76df7f4c885e4812abaa33c7b7f3b47247e69bb
Manifestc83f199befabff6b6526ba1148604ddf417b9b74e305af49b4275b9bde434f5e

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
Signatureo1eTFz6c/lOhjlE9gmFDqwQ6YczqO8rZEQ+GVa64KA8eJE0d3sygLv7NIw9CdH/h3lXsNvJiCCn88c+1gqv5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:04.298890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007816
observed 02706404ea14ca35630fdfcdb76df7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.281470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007816/manifest.json
observed c83f199befabff6b6526ba1148604ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.264355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007816/publication.md
observed 34731c6f6812b41bf5b0dc230285c86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.246622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007816/publication.txt
observed 256c2a76002c1b203ee4e9dbda8b0f09...
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.