OpenTechnical

OT-2026-000019936

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000019936) never changes.

Identity and time

Publication numberOT-2026-000019936 · never reused
Internal UUID01a0ae6f-1fb7-7d18-9293-5f280319d621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019936
StatusPUBLIC

Content hashes

Canonical text0cb3f22ca1ecc3585bed8c629569db9f7d2364f6690177db242df43256e91db2
Markdown6a4f745b9f113e26b07ae081a230bd954961e3a1f7f62dfea867399b8a0b1260
PDF
Publication pageda8afb9f600019f38b8d821f4dd12b40fed1ea0c722a3df1edf52a26307482ba
Manifestd77bbf454092a26f7088d645c23ce22169d7ff194319b7cba757bcf90a6a7f3c

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
Signature478cG/LAf+pFbwWT9VdS+hG30J/rF7Sox8LNkJao/DgJjJwjFIFTiXmuYpoCrfKOAXTk7iJXKRzTOYIWuk4BCQ==
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

2026-09-17T11:58:09.753533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019936
observed da8afb9f600019f38b8d821f4dd12b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.734993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019936/manifest.json
observed d77bbf454092a26f7088d645c23ce221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.717591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019936/publication.md
observed 6a4f745b9f113e26b07ae081a230bd95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.698658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019936/publication.txt
observed 0cb3f22ca1ecc3585bed8c629569db9f...
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.