OpenTechnical

OT-2026-000095690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000095690) never changes.

Identity and time

Publication numberOT-2026-000095690 · never reused
Internal UUID01a0ae9f-fac4-7c42-bd1c-b719e1bcef8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095690
StatusPUBLIC

Content hashes

Canonical text7d08a5dbace4c65a8f6b03460512500ba47e926f41de5dd46f6838c785b2ec87
Markdown3aad95f79b0b6890b86c3798c6bc6dd1b450ca6f4da0b302fdf27517e69c58e7
PDF
Publication page7021f63a679011252578dd294427a4d5c776fee5b8a20d98e6fc83de93626bc2
Manifest47d66da516187102f5055f4ec7079b248352bd3d6b522103be60956fb78d930e

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
SignatureazSEihZHtXc5cJtnU15qzLv9yc9PZUIIKVsdDs3RUPhYmObHD48CQABswaSDgauXA/kftjetBy0V4jT0XCxiDg==
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

2026-09-17T09:35:10.149756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095690
observed 7021f63a679011252578dd294427a4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.132009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095690/manifest.json
observed 47d66da516187102f5055f4ec7079b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.113925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095690/publication.md
observed 3aad95f79b0b6890b86c3798c6bc6dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.095226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095690/publication.txt
observed 7d08a5dbace4c65a8f6b03460512500b...
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.