OpenTechnical

OT-2026-000048804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000048804) never changes.

Identity and time

Publication numberOT-2026-000048804 · never reused
Internal UUID01a0ae80-c32d-7ff4-8bca-f9d4868fd9dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048804
StatusPUBLIC

Content hashes

Canonical text777d8737fd1eac74b08908c7cdb7ff823870ad0cefcb5dcaaeeb9e671b108af3
Markdown0b5193dbc2c376957515eeb8e2f6221866374f92e95f83b17755599c971db62d
PDF
Publication pagee0b9728a28ada7878d38ed376701a5c687817a32b3fe5bb496082055600739fa
Manifestda7927a073662c5d70213f1569f5c2c7a50631680d00bc729310afecd53cd482

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
SignatureV2EvmNTRS47/tPcaqFni2pcaxRSam05hatVvTn96+lMhinSt2uXoI6xhxiTtRd5BWY/qdmLxTta83NwEiqLMDA==
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

2026-09-17T11:04:31.369004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048804
observed e0b9728a28ada7878d38ed376701a5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.342967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048804/manifest.json
observed da7927a073662c5d70213f1569f5c2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.313015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048804/publication.md
observed 0b5193dbc2c376957515eeb8e2f62218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.287588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048804/publication.txt
observed 777d8737fd1eac74b08908c7cdb7ff82...
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.