OpenTechnical

OT-2026-000103969

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000103969) never changes.

Identity and time

Publication numberOT-2026-000103969 · never reused
Internal UUID01a0aea5-15e8-70a4-a88a-1868dbbf1ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103969
StatusPUBLIC

Content hashes

Canonical text3a49bec171fd443b9431c9fd0afd6fd5c9ccca0b92436b525b45c0406c8fb635
Markdown6cbdaddce653ab972cc3b463624b1bbd70856591adff02c8c8f09a87f52d1f55
PDF
Publication page9f0469acb918bc456833aac5f18cb1702f1d8b563c7d823516789981f82c93b1
Manifest44bf996a49b68c5368bec2493f4e0444fe198c2e6f05ad12ca6c8724a7460800

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
Signaturel8i9tNXt2z8pvQLLuQs0tWIcRPIcu60AL9iC919X2g11PGZmYbEClw9iWCZiDaFawVME44xvnDLf+fVeWsuLAA==
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

2026-09-17T09:21:58.451277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103969
observed 9f0469acb918bc456833aac5f18cb170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.432554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103969/manifest.json
observed 44bf996a49b68c5368bec2493f4e0444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.415432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103969/publication.md
observed 6cbdaddce653ab972cc3b463624b1bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.398988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103969/publication.txt
observed 3a49bec171fd443b9431c9fd0afd6fd5...
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.