OpenTechnical

OT-2026-000012373

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012373) never changes.

Identity and time

Publication numberOT-2026-000012373 · never reused
Internal UUID01a0ae6d-39f6-7d84-ac60-90e6596a53e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012373
StatusPUBLIC

Content hashes

Canonical text86d464628c42865f3d68c8c7fe8290d2549863910858de8751f2aed17a4cd7a8
Markdown1d3ddf269b21849ae39b611807b32cb135e0a3fd8302ebd493a63ae0c3dfc7eb
PDF
Publication page70dc1097783e1f6ef6ba99a70af6dc92797ff9cb11c3e25e91c76d5e57618e63
Manifestae22db3670644f2fa29e8d73c666279d946abfe1d3674b023afd9fae187f875b

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
SignatureozEyjcecy79Wcl9dKwYGd9UyFWW1X3TZX/oln4hUxG9ngM1RO8HB2JUQKmBfbf6p4l0bm2gKUUWGWNwn7i5vBA==
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

2026-09-17T12:10:58.333191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012373
observed 70dc1097783e1f6ef6ba99a70af6dc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.315044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012373/manifest.json
observed ae22db3670644f2fa29e8d73c666279d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.296617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012373/publication.md
observed 1d3ddf269b21849ae39b611807b32cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.279667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012373/publication.txt
observed 86d464628c42865f3d68c8c7fe8290d2...
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.