OpenTechnical

OT-2026-000025781

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000025781) never changes.

Identity and time

Publication numberOT-2026-000025781 · never reused
Internal UUID01a0ae71-a83e-78ff-8519-b1456626722e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025781
StatusPUBLIC

Content hashes

Canonical text42d46a99530501a657c627cc3a7c285c2e6ea1c1e19599e89be5d9bbb1b8860b
Markdown2b59613ba81a3119457691858b59fc26e542c418daf9fa3c2443389a59348201
PDF
Publication page2091f370ae99f169bb8b1fe21d841a363618c663c9297cc89a07dde9a3dfbc6e
Manifest37ca82b3eef33e5663f3de1de000a91f266c61cdcd4d3cce22f7b5c0eca89123

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
Signaturexxv0D656glKZB1E4nskSSTgzHW7c0ro9IXEQOwrSp2ppF70tdcJqlhObBAr14FWAJeok0jgtX1ZqZSUB1s8iAQ==
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

2026-09-17T11:45:56.769196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025781
observed 2091f370ae99f169bb8b1fe21d841a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.750129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025781/manifest.json
observed 37ca82b3eef33e5663f3de1de000a91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.702673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025781/publication.md
observed 2b59613ba81a3119457691858b59fc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.657191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025781/publication.txt
observed 42d46a99530501a657c627cc3a7c285c...
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.