OpenTechnical

OT-2026-000039839

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000039839) never changes.

Identity and time

Publication numberOT-2026-000039839 · never reused
Internal UUID01a0ae78-d8d6-7755-a5e4-8280a934c6df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039839
StatusPUBLIC

Content hashes

Canonical text08623e92d265bd84f71d4297c5b343584cebb2f1d88c9b6932cce32352ebbcc6
Markdown4f7f087a8c267319eebeffefbec60c461c363941089c96afa58c7e2f6af3ab62
PDF
Publication paged270540f196f8a1521f63ef11cacba5db4f761109501f418a6213f3e9602d5df
Manifestede7b2c6aaafbcbefe70ace04e9a7e76af78aaef04c11eead7b3449de720b612

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
Signature5vWL+3lNkfInxU+a+oZGbf/Xgv3Z/Pi4j0snh272+/iu7WOdQ6u8J6W9UhwifODyW2tYZORSRnak1wTviT2FCA==
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

2026-09-17T11:20:04.970060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039839
observed d270540f196f8a1521f63ef11cacba5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.951904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039839/manifest.json
observed ede7b2c6aaafbcbefe70ace04e9a7e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.935171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039839/publication.md
observed 4f7f087a8c267319eebeffefbec60c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.918342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039839/publication.txt
observed 08623e92d265bd84f71d4297c5b34358...
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.