OpenTechnical

OT-2026-000030204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000030204) never changes.

Identity and time

Publication numberOT-2026-000030204 · never reused
Internal UUID01a0ae73-e500-7924-a62f-8326353b69b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030204
StatusPUBLIC

Content hashes

Canonical text7f8014967e70da6a3a842b5dd1202596990c3ef731147530429debd40057cd27
Markdownd6ff9b8dde355ba505d503ebf85a0a5253561839e786db477ac33e9e6d6df1db
PDF
Publication pagef5b8d9683726a34dc0bd9d0170c32751719026e9fbd1a20a8f1c2f25f3773231
Manifest8f28c0c2eec47ebcb3423ffca946ec9e86df8ebc6870b5a37c06a8c0a1e4f48e

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
SignaturecjyIJyX9sJAiQ5zSrXfFQqfvSN466uWT7NycIMJB0k7lnh7dTesIn37v7Ua8cQy76AuZlufoVlN6dczJlQ+jAQ==
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

2026-09-17T11:40:34.504528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204
observed f5b8d9683726a34dc0bd9d0170c32751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.485485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/manifest.json
observed 8f28c0c2eec47ebcb3423ffca946ec9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.467476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/publication.md
observed d6ff9b8dde355ba505d503ebf85a0a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.451418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/publication.txt
observed 7f8014967e70da6a3a842b5dd1202596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.006000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204
observed f5b8d9683726a34dc0bd9d0170c32751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.987117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/manifest.json
observed 8f28c0c2eec47ebcb3423ffca946ec9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.966810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/publication.md
observed d6ff9b8dde355ba505d503ebf85a0a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.821242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030204/publication.txt
observed 7f8014967e70da6a3a842b5dd1202596...
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.