OpenTechnical

OT-2026-000102107

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000102107) never changes.

Identity and time

Publication numberOT-2026-000102107 · never reused
Internal UUID01a0aea4-50f2-7fc5-a462-76898f459961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102107
StatusPUBLIC

Content hashes

Canonical textf92ffe3b1086a467496098be2be496417c5ed039839df408e1d624b1294b82dc
Markdown463856407ea45bc7ffaa73087b35511f2300a58579eb7e89a88f80401d89dc1f
PDF
Publication page5b5b5332aded8e369e2911eeae1eacb4bcd5d51c4fceb05210f77bb06553bff2
Manifest6446fd4093c9c517db9e35a5f3cb7411ca26cb60aa0114e773159a535ed3792c

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
Signatureea9cV9lvt6mf8c/tq0gun8eq5SS2icjHckGbzs3AsAvWWqtcURVRZlU0ac7baRlQBNjG6rC4ZI1Ms659FmsHDQ==
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

2026-09-17T09:25:15.495770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102107
observed 5b5b5332aded8e369e2911eeae1eacb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.479101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102107/manifest.json
observed 6446fd4093c9c517db9e35a5f3cb7411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.460265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102107/publication.md
observed 463856407ea45bc7ffaa73087b35511f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.441349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102107/publication.txt
observed f92ffe3b1086a467496098be2be49641...
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.