OpenTechnical

OT-2026-000067275

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000067275) never changes.

Identity and time

Publication numberOT-2026-000067275 · never reused
Internal UUID01a0ae8f-6bd6-70ea-a2b7-015b8bd246c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067275
StatusPUBLIC

Content hashes

Canonical text6bdb4615a546c5b39d4a0e8b220426c128299d9a761e59a3e1ef73c5747cb73b
Markdownc381a4ce13b052bd72c1ef45ca40706a28243986a11642fb90b23db90a429aab
PDF
Publication page58d55f9ccf553d9c3c6d720beff8597f4c675dafef78557a0699eebeff839e40
Manifest8e55a6d3ffbef1e474a196ffd2c12f7d8a57915ca94aa604bc2b24dea35bdfde

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
Signature08u08Dn1xeeTe/CglQ79o1FHs0YWfuzDdVZzaM9Be+V9WQ1riRwt9mk5z0GmWeUyc99dNLn3pRelonfcGCh2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:57.421145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067275
observed 58d55f9ccf553d9c3c6d720beff8597f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.405378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067275/manifest.json
observed 8e55a6d3ffbef1e474a196ffd2c12f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.387805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067275/publication.md
observed c381a4ce13b052bd72c1ef45ca40706a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.369731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067275/publication.txt
observed 6bdb4615a546c5b39d4a0e8b220426c1...
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.