OpenTechnical

OT-2026-000008994

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000008994) never changes.

Identity and time

Publication numberOT-2026-000008994 · never reused
Internal UUID01a0ae6b-31b8-7234-a927-77f5c34ea26a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008994
StatusPUBLIC

Content hashes

Canonical text24b2db78da9476195e3e5d67cbf86cebdb456c8a9b72b5cd64e7c46f897e984d
Markdown7c043797cfe3634e83258c52074703ccd507c97992eb15158b3b8ec409b8c242
PDF
Publication page53a668b3ec165a951bf600bdbb718e1eeef9ef487fb8c2a4c0c1ed21eba6e766
Manifest22bc1bb89bd9b9969aa80380770095d71926cb4cb81f8f6b0db9f7421c0b69e4

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
Signaturee6dWYVM+HbbSTQ9Fq0o5+nQYbjfF5gmRhDVCYVGtYH7rM2oRFeb9G4uW9pBl0tLL86sTVSBvcpgk0Q/Jgq7GDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:37.461833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008994
observed 53a668b3ec165a951bf600bdbb718e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.440046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008994/manifest.json
observed 22bc1bb89bd9b9969aa80380770095d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.417672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008994/publication.md
observed 7c043797cfe3634e83258c52074703cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.396690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008994/publication.txt
observed 24b2db78da9476195e3e5d67cbf86ceb...
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.