OpenTechnical

OT-2026-000080500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000080500) never changes.

Identity and time

Publication numberOT-2026-000080500 · never reused
Internal UUID01a0ae96-7e78-7ded-b82a-61744fec43a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080500
StatusPUBLIC

Content hashes

Canonical text6965bbd632f0ab1cf7207d10f3f5d2b3b9af2b344f509db78f9398d4f36c1fed
Markdown0ba389db62471966d105162eefe4bd78f1383fe2c8af7ac1e21a56bd7408aff5
PDF
Publication pagebdd0ba9a6dbc14eef77264efb0c25b1b8f93b4da58ef1cda8cf162468817dc15
Manifest448c28f1c4ec5c2cf89621c05341a459417e2ace58a2ac280dc613e91d787169

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
SignatureotLHo+2S9avymvKmuib4OudVgHKljgh/Jf/Y5ndK+PYruMAO3GcK4PATMiz6StJ0lsfsN1WhYC0gLibaKDn1DQ==
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

2026-09-17T10:03:01.247316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080500
observed bdd0ba9a6dbc14eef77264efb0c25b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.229553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080500/manifest.json
observed 448c28f1c4ec5c2cf89621c05341a459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.210667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080500/publication.md
observed 0ba389db62471966d105162eefe4bd78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.193331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080500/publication.txt
observed 6965bbd632f0ab1cf7207d10f3f5d2b3...
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.