OpenTechnical

OT-2026-000044135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000044135) never changes.

Identity and time

Publication numberOT-2026-000044135 · never reused
Internal UUID01a0ae7b-d67a-7488-9e13-5a5b500048fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044135
StatusPUBLIC

Content hashes

Canonical textffc6a7534535bb17bb8d7bb1e06113650904d9df51c7e05c9ed06e85ce401155
Markdownd5164a77b6f62a880ce3017b655c7152953b343d1a11dbbfa6b8e15382689505
PDF
Publication page3c7ddec171b83517fcb8158fda18babd2a40e5dded88dbe710254dd67875a47f
Manifestde57650f0c080f197d4a78278c2019f4b8048824dd9d962196add5b7f7b5f1e2

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
SignatureTiYLe3MOshcSCTYPobMZahjyafCpdFf/QIMGyiYyFerRa3ORTRPE6oaIzoLlgKqBqx4gjNUIWV1BSzZqUxp5CQ==
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

2026-09-17T11:12:33.314216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044135
observed 3c7ddec171b83517fcb8158fda18babd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.294898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044135/manifest.json
observed de57650f0c080f197d4a78278c2019f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.276343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044135/publication.md
observed d5164a77b6f62a880ce3017b655c7152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.257695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044135/publication.txt
observed ffc6a7534535bb17bb8d7bb1e0611365...
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.