OpenTechnical

OT-2026-000077895

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000077895) never changes.

Identity and time

Publication numberOT-2026-000077895 · never reused
Internal UUID01a0ae95-2ed1-7244-93b8-3b62cc281ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077895
StatusPUBLIC

Content hashes

Canonical text8c71b7a1de7cfcdd4e02ca5c1d92847512bacba839d42d01d6859bdddc1160c3
Markdown7953f99a6665874a5a61f3368aee2fc64e547c2a4c98d68eb57dc1f31de31ada
PDF
Publication pageecddaec12282a3d81620f62343ec74b8dcf30ab9e4847ec6751ef59ca7b82f9a
Manifestc4781c21ebc0935e6b5cf7d28545e32e88a2a547454ef487dfc83f58f923a332

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
Signature07x4WBPxXZPkGnrqdK7rBPuexONR3kCw3XT/G1B6XptrrY8VujaK5U2nQVDqv8ZE4KgVXSVYzxsGTAWj4NQ0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:38.568512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077895
observed ecddaec12282a3d81620f62343ec74b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.548386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077895/manifest.json
observed c4781c21ebc0935e6b5cf7d28545e32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.496046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077895/publication.md
observed 7953f99a6665874a5a61f3368aee2fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.476623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077895/publication.txt
observed 8c71b7a1de7cfcdd4e02ca5c1d928475...
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.