OpenTechnical

OT-2026-000005100

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two 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-2026-000005100) never changes.

Identity and time

Publication numberOT-2026-000005100 · never reused
Internal UUID01a0a92d-db3c-7b95-8390-eff08e3deb76 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:49.887323Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005100
StatusPUBLIC

Content hashes

Canonical textf783c56be8ef0f8c98abcf10507011879c8d2164fc0505a8d2cb7a6dd40f7383
Markdownb62eb51db90e3be786604eb9b41de925a129d1fe4e20b2c5ad7af38655366aba
PDF
Publication paged7d98e6ef9481db9c92015457d69236bcbaeb91b950caa9801457ce09c66ca54
Manifestbc36bffff2b70167f744022daff9033538762f99b80a53cf26c14a04b49bd988

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
SignatureU//Cif1xHl/2nce/s460o3RfTjr7p52ONbHAvbmcYglLnJL3LaA82Dpj2ZxZ8daAKS4U06gYgZBSSPGQWM/PCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:15.479367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005100
observed d7d98e6ef9481db9c92015457d69236b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.466827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005100/manifest.json
observed bc36bffff2b70167f744022daff90335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.450849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005100/publication.md
observed b62eb51db90e3be786604eb9b41de925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.433968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005100/publication.txt
observed f783c56be8ef0f8c98abcf1050701187...
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.