OpenTechnical

OT-2026-000033546

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033546) never changes.

Identity and time

Publication numberOT-2026-000033546 · never reused
Internal UUID01a0ae75-a38e-7e44-a7c2-4d3335977e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033546
StatusPUBLIC

Content hashes

Canonical textb4cf38861dc3fe7ccc058d18a6672c8eb2c8754e7cb8791c50dc3619991a430a
Markdownc546d4053d588c4ba2f33ce33af2d555ee6445c7f07de3019fedaaa53bb31f20
PDF
Publication page81a34e8f5698c544d39441324f1e8530df0218df7449127d1538bb9704677d89
Manifestd37d60924be0ecb3fe010d796befcc2907a383c9a7d07ff5e66dd499183b9b14

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
Signature7ZDYsGuRab5DwXY9CvUh3XlxVN9bcYOFzQ66DVPcPb/+o2ZsUXVSvkVigkCYm2pRdHb2dy8iCJIgOmaayZgvBA==
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

2026-09-17T11:31:24.584614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033546
observed 81a34e8f5698c544d39441324f1e8530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.536338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033546/manifest.json
observed d37d60924be0ecb3fe010d796befcc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.518995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033546/publication.md
observed c546d4053d588c4ba2f33ce33af2d555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.479131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033546/publication.txt
observed b4cf38861dc3fe7ccc058d18a6672c8e...
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.