OpenTechnical

OT-2026-000003745

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000003745) never changes.

Identity and time

Publication numberOT-2026-000003745 · never reused
Internal UUID01a0a90a-efab-751c-86ce-4af3f64bfe42 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:41.359388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003745
StatusPUBLIC

Content hashes

Canonical text6074d8d12cae46fe51b94285db7b0d47e7cca3fc2733ee16b4e8623eed5b618b
Markdownda49393d62a9dee992607c442dcd23a082e5d41d026fa914825d76c062ddee01
PDF
Publication pageb10b5395b771d8e96061a71a656e20c7af06c148a989486f7c00d97ef928e772
Manifest9a8df7a7b590991881c48fd00451c3c134ebcd2b36064b066dec1e6ca0de201b

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
Signature+rAb0aY3M9gfBEiu/Gr/j0Js+ZKA+6FmpLX9poTq0IWkZwgTMpb51upBbKDSLi20rsjfEsFdNX3nhHZJoCGFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:23.118512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003745
observed b10b5395b771d8e96061a71a656e20c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.103441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003745/manifest.json
observed 9a8df7a7b590991881c48fd00451c3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.088416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003745/publication.md
observed da49393d62a9dee992607c442dcd23a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.074450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003745/publication.txt
observed 6074d8d12cae46fe51b94285db7b0d47...
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.