OpenTechnical

OT-2026-000097991

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000097991) never changes.

Identity and time

Publication numberOT-2026-000097991 · never reused
Internal UUID01a0aea1-92f7-7e44-bf53-0b029be703a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097991
StatusPUBLIC

Content hashes

Canonical textfa7f73046f9ec1c8326ec8a121fa857ff5c5e7cc57ed77bc8086932cf8d3fd3e
Markdownda94a858fab5eb286b92b05f56cab00cc341a9e164c8b4602105aff5e55b7492
PDF
Publication page8d1055dd6eba9fb15d4a9282a010090c2b17099da7722b8a46f43fe9debf15b7
Manifestb5719da424d9416ae4092045b1b0d7884937162d5a0b770766b2818a8cf63064

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
SignatureM63j1VRLHC8CpcqdHmAkR7kmzyxYpMxu1pSSWd4KJwa7YB3QXz8LYKxFDMg3XeHsJnKeAY65ox0HqmB2WfzlBQ==
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

2026-09-17T09:33:08.661203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097991
observed 8d1055dd6eba9fb15d4a9282a010090c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.636659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097991/manifest.json
observed b5719da424d9416ae4092045b1b0d788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.611628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097991/publication.md
observed da94a858fab5eb286b92b05f56cab00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.587417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097991/publication.txt
observed fa7f73046f9ec1c8326ec8a121fa857f...
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.