OpenTechnical

OT-2026-000013980

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000013980) never changes.

Identity and time

Publication numberOT-2026-000013980 · never reused
Internal UUID01a0ae6d-8dea-7bba-9cc3-3d3a7893a5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013980
StatusPUBLIC

Content hashes

Canonical textadccf700ed319e4b890d1324b9082eaa24cbad8e2f95ad3661ddc46180ce590a
Markdowna7f0bad8ee630f27e9ec6e486e8743ef162cb328f943c966a71f10b28fa8510a
PDF
Publication pageb4825649a6108b2625dec1f773a7bc6a73c69e7564487ece04f4f497aa216888
Manifestc658724b281fcaeee000d9c26b41309fb09a33748c126fcfadcb5a330f32ecae

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
SignatureA75D9HTYkLMpYZvTuCOEY7NKG5d2AasHlsG/yraSoPjoITI8sqPCd9fomw3911t9h5u+uZbtTxQOjFfVuFdXDA==
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

2026-09-17T12:09:11.650250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013980
observed b4825649a6108b2625dec1f773a7bc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.625649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013980/manifest.json
observed c658724b281fcaeee000d9c26b41309f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.603919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013980/publication.md
observed a7f0bad8ee630f27e9ec6e486e8743ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.580155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013980/publication.txt
observed adccf700ed319e4b890d1324b9082eaa...
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.