OpenTechnical

OT-2026-000042779

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042779) never changes.

Identity and time

Publication numberOT-2026-000042779 · never reused
Internal UUID01a0ae7a-c0d0-76a0-a15b-8e74221b5923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042779
StatusPUBLIC

Content hashes

Canonical textf0eb62d353cb2354e64c4caafde1b7fbcc318463c95f662a59a3999d77203dee
Markdown49ef06ff228c0f459cd1864645c82b9a5d8720e07322d4a95c71ad488dd305f0
PDF
Publication paged2ca71d52e6ef587443f9d1db054c7ba7ba48af8ecd8469e8912f20a5c45a1a8
Manifest4b8a121ab3f1b4bcc6ce9e02a4749b8da3a31654d9a3013d2b7750549f32c416

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
Signature3wU7XYA7SEARoMGMKYXzob2a5U0Ub4NXKNr9qByN1vC2pime5h4AqtnE8+kOB/O+xw9l0ykjj5v5NSPBTz2oAg==
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

2026-09-17T11:15:14.466374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042779
observed d2ca71d52e6ef587443f9d1db054c7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.445360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042779/manifest.json
observed 4b8a121ab3f1b4bcc6ce9e02a4749b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.424181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042779/publication.md
observed 49ef06ff228c0f459cd1864645c82b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.404380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042779/publication.txt
observed f0eb62d353cb2354e64c4caafde1b7fb...
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.