OpenTechnical

OT-2026-000022508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000022508) never changes.

Identity and time

Publication numberOT-2026-000022508 · never reused
Internal UUID01a0ae6f-f4fe-7e97-afb8-3356562dd750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022508
StatusPUBLIC

Content hashes

Canonical text880d021369d20069c193a344b5ffe2180b8d6c49b5100c446305683fd39c08e4
Markdown389ef88207a5828ee408f4bdf0501c012793dd422ad8a59b4ac12ae1a24ae543
PDF
Publication pagea1ef8074511b7da617f86082eb638d238cb3f1a093cfc5b3886f44ba3563c170
Manifest932fc1cc05302243a779e9f3506826a29a95c06011b28edda462b2cee92e9cca

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
SignaturejNXsdSVXjo7171uJeYNUn/tWKmC6+aMpCsKyiLtsngQqp9XcgTRf5WkoSZaARUs7pPbp5j8D/EYSZlQ7QN4nBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-21T00:41:44.399491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508
observed a1ef8074511b7da617f86082eb638d23...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:44.323145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/manifest.json
observed 932fc1cc05302243a779e9f3506826a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:44.246086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/publication.md
observed 389ef88207a5828ee408f4bdf0501c01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:44.161464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/publication.txt
observed 880d021369d20069c193a344b5ffe218...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T08:41:28.420436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508
observed a1ef8074511b7da617f86082eb638d23...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T08:41:28.367448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/manifest.json
observed 932fc1cc05302243a779e9f3506826a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T08:41:28.311405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/publication.md
observed 389ef88207a5828ee408f4bdf0501c01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T08:41:28.181769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022508/publication.txt
observed 880d021369d20069c193a344b5ffe218...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent