OpenTechnical

OT-2026-000087299

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000087299) never changes.

Identity and time

Publication numberOT-2026-000087299 · never reused
Internal UUID01a0ae9a-cd4e-7086-9e64-7497258a384e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087299
StatusPUBLIC

Content hashes

Canonical text37ad7baf46419f2aa380dbc560becca9c7a3062c502f6a6facd6dee2e37c217a
Markdown05b929cfdb51594775608f4072f54819ce8ab89c889075dad89c67ec5baf1edd
PDF
Publication page16216d3ed12e937c058c741cb77a6ed0abb0854ea939736db8b62cafa1ef8c4a
Manifest5f9b2067b774cd54b0c79869a2e29d9a31267e5dbdab1cb5c9ed014f41ed4276

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
Signature4B9hPBft7S5FygLPEJfYugb3H54jwvhuCAdXu8ZxP5I79l4aPiuq5hi/kquFywQDL0XEo5MlOKHOwnmEa1wHDg==
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

2026-09-17T09:50:27.370908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299
observed 16216d3ed12e937c058c741cb77a6ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.363450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299
observed 16216d3ed12e937c058c741cb77a6ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.353129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/manifest.json
observed 5f9b2067b774cd54b0c79869a2e29d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.345650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/manifest.json
observed 5f9b2067b774cd54b0c79869a2e29d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.334463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/publication.md
observed 05b929cfdb51594775608f4072f54819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.329782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/publication.md
observed 05b929cfdb51594775608f4072f54819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.315379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/publication.txt
observed 37ad7baf46419f2aa380dbc560becca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.310967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087299/publication.txt
observed 37ad7baf46419f2aa380dbc560becca9...
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.