OpenTechnical

OT-2026-000003625

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, two stage ejector

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-2026-000003625) never changes.

Identity and time

Publication numberOT-2026-000003625 · never reused
Internal UUID01a0a90a-91ef-7aa8-8eb2-98be68900f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:17.361530Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003625
StatusPUBLIC

Content hashes

Canonical text5fdb3cdf9d62989a753fc4811b2f1b604cabe214dc1ac196350c6a6b76b8a30e
Markdown15b1e5f015ecdd3c916ead050b65df5dc383a6f2cba22f3edf5a06f6a2ef440c
PDF
Publication pagee2f23c7a836e566ce4d3c4344ffa1240310848e0ba8ccebb183db146deea72a5
Manifest8c9da4c35f16759cd114f5b5906d642a4016da69571f867b5c290c18e2208fc8

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
SignatureG9dlgAE2EYaa0b6N5MckgJpMB6Fc4rYvRyDp5o2Fw3jKS/3T3GmQxaYRFyuEG6qthOPPZ8potmR6L++4B7OMDA==
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

2026-09-16T08:30:36.481324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003625
observed e2f23c7a836e566ce4d3c4344ffa1240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.465830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003625/manifest.json
observed 8c9da4c35f16759cd114f5b5906d642a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.449250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003625/publication.md
observed 15b1e5f015ecdd3c916ead050b65df5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.432453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003625/publication.txt
observed 5fdb3cdf9d62989a753fc4811b2f1b60...
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.