OpenTechnical

OT-2026-000027712

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000027712) never changes.

Identity and time

Publication numberOT-2026-000027712 · never reused
Internal UUID01a0ae72-699a-744c-90f5-6344ba0b46c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027712
StatusPUBLIC

Content hashes

Canonical text60eb9e1ac5e47f52839d00fd62cb51cdc3660e17583481a1dcf452a6fbff026d
Markdownf57f5978921b96412579cbc4b516311d537b8d8aac73c442ffe86dc48f70a1b7
PDF
Publication page53df10b6d3c7dd7a159a37a574b46a66ce520567911a6c3f6bda15c758349d37
Manifest321bdfcafbf581badc3d7726c94ccbe69d5bb68652923bc8c978b764e2446602

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
SignatureHwu+ckvcUEIdx6f6tFwAK7S8QvqdRNlxHjks4PEKofztjtEFc/FsqrjWIyYIBdnlCD0GkmX9q4emFlj60PrNDA==
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

2026-09-17T11:43:15.964461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027712
observed 53df10b6d3c7dd7a159a37a574b46a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.945080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027712/manifest.json
observed 321bdfcafbf581badc3d7726c94ccbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.920001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027712/publication.md
observed f57f5978921b96412579cbc4b516311d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.902749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027712/publication.txt
observed 60eb9e1ac5e47f52839d00fd62cb51cd...
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.