OpenTechnical

OT-2026-000070710

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000070710) never changes.

Identity and time

Publication numberOT-2026-000070710 · never reused
Internal UUID01a0ae91-8c2c-7c53-a933-070350e68713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070710
StatusPUBLIC

Content hashes

Canonical texte9932d44a3a7c1683f758eb8520138b4fc85432dd43e7d97b62c9a967b0368bb
Markdown8e35218493c818392cf004afac9936774bdc486ba10429f2b9d09a87ea68b806
PDF
Publication pagead580cfff3b1683c40f24267548f8e5505c02ceba5c15c7f8d9d44a7673bb185
Manifestb0b9925130096d0d71cc545438fb27286144f5ce6829ee41bbb5c13eff1434ef

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
Signaturegl00xkMd2E7T+exdwvXbolEdlYrL8kqmNnnV2ozjTp+3lRmPw9WH1zH2oszf0d3KPZUqokIaSh35sF5wbM2dDQ==
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

2026-09-17T10:25:23.795499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070710
observed ad580cfff3b1683c40f24267548f8e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.776890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070710/manifest.json
observed b0b9925130096d0d71cc545438fb2728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.760406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070710/publication.md
observed 8e35218493c818392cf004afac993677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.744140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070710/publication.txt
observed e9932d44a3a7c1683f758eb8520138b4...
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.