OpenTechnical

OT-2026-000005619

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, contact triggered

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-2026-000005619) never changes.

Identity and time

Publication numberOT-2026-000005619 · never reused
Internal UUID01a0a93f-35f0-708f-8439-55fad130f862 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:47.218858Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005619
StatusPUBLIC

Content hashes

Canonical textb5ba6f7bdafb6b310a8308564c98b7de5aa3b8d754af5b10779dec8fa25bf667
Markdownd9b5b06802fa9c8863c40e7cf3f1bdc5549f2278e12f8a3fd74f7463562e53ed
PDF
Publication page8d0c8ab56706d534c4474329e7412af509cff918b5b9ef4aa02f1b3667f532f7
Manifestf24f75c2f7d990e543353d6e8c9233a794c6627d5ce04dd74917b86fd376de59

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
SignatureEwcVv8f2UfDVHzEpAqxvupX53HO++GRiGLIrX2siDq7JzPHM1tRC1IP/ztyoumPFHSCxP88vusUuZaUZY5TKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:19.986113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005619
observed 8d0c8ab56706d534c4474329e7412af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.973578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005619/manifest.json
observed f24f75c2f7d990e543353d6e8c9233a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.961657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005619/publication.md
observed d9b5b06802fa9c8863c40e7cf3f1bdc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.947736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005619/publication.txt
observed b5ba6f7bdafb6b310a8308564c98b7de...
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.