OpenTechnical

OT-2026-000068566

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068566) never changes.

Identity and time

Publication numberOT-2026-000068566 · never reused
Internal UUID01a0ae90-2482-78bd-a6b5-343a56eec3ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068566
StatusPUBLIC

Content hashes

Canonical textf756b5d2f0cf86edb48ae182d088d988ee33a8d6cfb04aeb76e5d5f8fa01df5d
Markdownaaa24c8199e07e43c433fe1f79c608bb4bd9f4e760f7294050f5dfe95cf34754
PDF
Publication pageca8bd8c0fda62c4de5a064f5160e34bf6fa0a77f9c3ca0db509db8f4540586cc
Manifest566f839be979bd24387af0148714f5cc2987cf76f32a7bf06e628a367ffb06f4

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
SignatureSTnU99SmKv05U4Ff55mzl3PkJEWbKmykfzuM/RLYMmDrbefVvu9GMlk1YuYsNVasck9U1CzYlk3Kdbz5ZHqXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:44.206399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068566
observed ca8bd8c0fda62c4de5a064f5160e34bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.185546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068566/manifest.json
observed 566f839be979bd24387af0148714f5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.167460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068566/publication.md
observed aaa24c8199e07e43c433fe1f79c608bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.148304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068566/publication.txt
observed f756b5d2f0cf86edb48ae182d088d988...
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.