OpenTechnical

OT-2026-000064700

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000064700) never changes.

Identity and time

Publication numberOT-2026-000064700 · never reused
Internal UUID01a0ae8d-deb9-78bc-be1b-15f7bb3495da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064700
StatusPUBLIC

Content hashes

Canonical text9847a2060dd676075b19dbfbaa8c318b41347d76ec204a8bbb7dfe6ac26c9d23
Markdownc227d0fcbf5e9be074d2d57b78b2c93764b99b5be2244d5692f3a3b6e35c65fa
PDF
Publication pagef9f736e12695bc8073a3519e8faf30528a26e4a400bc3886de4778c8bb6859c1
Manifest5c383fb7b012facab3eb78779f2c88975a22b556b549ff86add3ef6837de8db9

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
Signature5gWUU98yY4W96VCWkPQ/HAu4yBwNvRg65gig+hMSGCjNq0AHgwAzyUPAKMTbdbvLC5XqvMm6Xu73e6hkgcZMCA==
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

2026-09-17T10:35:34.179556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064700
observed f9f736e12695bc8073a3519e8faf3052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.158172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064700/manifest.json
observed 5c383fb7b012facab3eb78779f2c8897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.139818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064700/publication.md
observed c227d0fcbf5e9be074d2d57b78b2c937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.121013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064700/publication.txt
observed 9847a2060dd676075b19dbfbaa8c318b...
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.