OpenTechnical

OT-2026-000099723

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099723) never changes.

Identity and time

Publication numberOT-2026-000099723 · never reused
Internal UUID01a0aea2-c977-7d11-9526-5fd67ec8b840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099723
StatusPUBLIC

Content hashes

Canonical textfdb0cfa4fc07fa534e95a0f3f3f376fea8f882e6db8af888fe4a9b6541521216
Markdown0eafa8997661c24d5a9b9e53261f9565496298b3c7542fa73c154af5fc2b9c14
PDF
Publication pagee6a42cfdab56da6759e3592fe5c15d441d0aef84d49f8beed1ad305dda930f62
Manifestb9b4c5d81efe6ef95886e84276222f7f7a0002d92bf17c2ff192fde8b53fd7b4

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
SignaturewM9G3zs8WOyF1EsUtlB8gz5QscdEvssdjGJORuPJEDkf6wjhaR4AA0ECc+ZpcHcyyBIrP0FL6iTSSb+WmIn3Ag==
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

2026-09-17T09:29:44.626098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099723
observed e6a42cfdab56da6759e3592fe5c15d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.608897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099723/manifest.json
observed b9b4c5d81efe6ef95886e84276222f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.592242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099723/publication.md
observed 0eafa8997661c24d5a9b9e53261f9565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.573706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099723/publication.txt
observed fdb0cfa4fc07fa534e95a0f3f3f376fe...
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.