OpenTechnical

OT-2026-000025300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000025300) never changes.

Identity and time

Publication numberOT-2026-000025300 · never reused
Internal UUID01a0ae71-5fa6-7fb0-9bf1-cac5e732355f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025300
StatusPUBLIC

Content hashes

Canonical textce7f9bebcf6aacbade98ef1062610445545259806bd6cf542909789eb3bcda27
Markdown8c6a119b4d8d804548588e638c22cad596be610f909416d6c1918aec91d4e971
PDF
Publication page19ebd441e465ea37dc8dc92e15c9ccced371990cbb04cf892976c4c9436f694d
Manifestdddb88f33690a573d5bb97e6b1ca2c4dfd9b3e5adf8de5c6deac3a1d0e51058a

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
Signaturew/S/t9t2RetGzXFOLhcCTQlhlll/Ym5ylampGWLsXEthrndpH7nNoXSoLIZZGenq/VOPTUdekeJnYtD/gkf4AQ==
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

2026-09-17T11:47:19.100597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025300
observed 19ebd441e465ea37dc8dc92e15c9ccce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.082956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025300/manifest.json
observed dddb88f33690a573d5bb97e6b1ca2c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.064475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025300/publication.md
observed 8c6a119b4d8d804548588e638c22cad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.044881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025300/publication.txt
observed ce7f9bebcf6aacbade98ef1062610445...
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.