OpenTechnical

OT-2026-000027844

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000027844) never changes.

Identity and time

Publication numberOT-2026-000027844 · never reused
Internal UUID01a0ae72-a4a5-7355-a38a-17b3821ad0aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027844
StatusPUBLIC

Content hashes

Canonical texta190e7a866542714be05882abd688abaeb12a4f735bff694e13aa3e82001f568
Markdown49acc82b79f88df7477565bf1031475a879b1ff91e512f8b15846d252666f9bd
PDF
Publication paged537caf2d79c433f3dc0a9072f87f14356244d43a87861e69e48a6efd5025289
Manifest03cd35a34b16014ce00dadc1905259c12cf7026d0688cf39c39284cfafc885dc

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
Signature0S4GAnwUqatQChWWPRlhuKS0VavKvxzOWFO2I+OqwGZWKT2S+KQpv4d/1IoGjmMdYUg0LLQNK1LmLJfXJULlBg==
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

2026-09-17T11:41:54.011950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027844
observed d537caf2d79c433f3dc0a9072f87f143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.996005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027844/manifest.json
observed 03cd35a34b16014ce00dadc1905259c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.978125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027844/publication.md
observed 49acc82b79f88df7477565bf1031475a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.960545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027844/publication.txt
observed a190e7a866542714be05882abd688aba...
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.