OpenTechnical

OT-2026-000100104

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000100104) never changes.

Identity and time

Publication numberOT-2026-000100104 · never reused
Internal UUID01a0aea3-1474-78ed-a090-53f1be91e9b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100104
StatusPUBLIC

Content hashes

Canonical textf3a18d73e8bc0f3c782ce6d668c43593550c21f12f77b12ba1d5a35283e575f6
Markdowna7697eac1d9d02bb70859f052d28a146ff5d993bff8df1223f4dbec92d1bb98e
PDF
Publication pagec7172039fd59ada568d659e909a8f156a07c8bf432c44ddeaf734db789a6f26c
Manifestedbc6f74d08370f1bee681fad7331802baf5e44df221877321742d24eea0ef7e

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
SignatureBDn412EQtzspY7EWC/gIlcxpV14ANv3rQxejmWhF6JEbFfJJ7VzzakOcu+O8g6IyaGOD5ndAnGBeqSpNgI3fBQ==
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

2026-09-17T09:29:03.913842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100104
observed c7172039fd59ada568d659e909a8f156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.892869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100104/manifest.json
observed edbc6f74d08370f1bee681fad7331802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.871194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100104/publication.md
observed a7697eac1d9d02bb70859f052d28a146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.853002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100104/publication.txt
observed f3a18d73e8bc0f3c782ce6d668c43593...
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.