OpenTechnical

OT-2026-000005326

Publication integrity record

Vacuum cup gripper, two zone face, common isolation valve, ejector fed, pressure verified, contact triggered

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-2026-000005326) never changes.

Identity and time

Publication numberOT-2026-000005326 · never reused
Internal UUID01a0a935-8717-7d1d-a8cd-eea627e6bc70 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:12.633540Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005326
StatusPUBLIC

Content hashes

Canonical text987f79bf4d0cebc7f4aa7513c141b3c6012cd58ec5b6f7741fddb955030127bb
Markdown250c247362fc47fef054be9a81f3c4249ceae2277fda02249c68a8957c23d8d9
PDF
Publication pagec6fd7a6710f7ac4bed63a08ef7491c5a5dbea57857de9c06ed894fa05c24fcf8
Manifestb3ab5458b3afb22be89ac42a32113078ba485cf8119b5c99be4236c27b2f04b9

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
Signature2ydSE0BBc0n7BnKGQv+kIjgbgO+bbJlJ4ZrbcOnyB2VV6HHZxpY92OzMv7Ew0v8ny3S/mwiaZf601kl1/YFmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:22.387460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005326
observed c6fd7a6710f7ac4bed63a08ef7491c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.372275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005326/manifest.json
observed b3ab5458b3afb22be89ac42a32113078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.234110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005326/publication.md
observed 250c247362fc47fef054be9a81f3c424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.219606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005326/publication.txt
observed 987f79bf4d0cebc7f4aa7513c141b3c6...
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.