OpenTechnical

OT-2026-000028697

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000028697) never changes.

Identity and time

Publication numberOT-2026-000028697 · never reused
Internal UUID01a0ae72-e2f9-7914-b12b-4a302236cb1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028697
StatusPUBLIC

Content hashes

Canonical text777844163827f22035d8dea715fe531ad9b2338a792130a6fc3a01dcd0358ae0
Markdown4d1ef9f0cb1af62b3f294e01d528d9cb573d8de3a07f334f447afe5e4708da72
PDF
Publication pageedc0c01fc2412cab0448a6d7c95e2f10c5073368b42215957ff9c013998f0bd6
Manifestc40e472b3ff1668292172f61d65d606a23ab8b41ea790a06ddfc7812a93593fd

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
Signaturer7/kJbi2JdBPcXVADl4o2sXRD/WUUGQ2b7xY7QpW8sQzcZsp3c5QxiXTKW+cSNZdfy/nMbZJGqXpDIeZdGRfAg==
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

2026-09-17T11:41:41.145324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028697
observed edc0c01fc2412cab0448a6d7c95e2f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.124496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028697/manifest.json
observed c40e472b3ff1668292172f61d65d606a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.102731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028697/publication.md
observed 4d1ef9f0cb1af62b3f294e01d528d9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.080426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028697/publication.txt
observed 777844163827f22035d8dea715fe531a...
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.