OpenTechnical

OT-2026-000102468

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000102468) never changes.

Identity and time

Publication numberOT-2026-000102468 · never reused
Internal UUID01a0aea4-858a-70a3-8336-bc0027556625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102468
StatusPUBLIC

Content hashes

Canonical textfd680b0c4bddcd357f4cd3a782db37ff5e53ef0df2382bac25dfeec50e9102ab
Markdown725cb52eb9529e38cf21b7bd62f08125deec13d5d8d44dfd9923ba3c29acd30a
PDF
Publication pagecfc7fcd0169df53b9be1e00cf9cc695d36e0ce91cdbc9fc840939e9cba4ff1ee
Manifest4c6c69d73dc6ccf742bc12ca3a32761540662583ec11ce4514bb15fb96efb98a

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
SignatureyWJpgdhLii+1rmgHPLfnGP6/YbCIuz0ntD+Achts/+kMtDb3LX66k1LKDPH3wZw+ifb1ZnWm0/V2B/ojvh+4DQ==
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

2026-09-17T09:23:49.231231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102468
observed cfc7fcd0169df53b9be1e00cf9cc695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.213011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102468/manifest.json
observed 4c6c69d73dc6ccf742bc12ca3a327615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.192626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102468/publication.md
observed 725cb52eb9529e38cf21b7bd62f08125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.174401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102468/publication.txt
observed fd680b0c4bddcd357f4cd3a782db37ff...
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.