OpenTechnical

OT-2026-000075281

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000075281) never changes.

Identity and time

Publication numberOT-2026-000075281 · never reused
Internal UUID01a0ae93-f200-792f-9149-b85ddc19b2cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075281
StatusPUBLIC

Content hashes

Canonical textd6580bc8085b71482838a877e249528bd5479e76569e4ee2caaa1c815dea41c4
Markdownbb684f9b98785f57f33477cd6788d9b055a8bb54f55299f5ec494fc19938775c
PDF
Publication pagef554a1e4dd25cf0991a8748260c58abb95cfb6ada88ffbb2949723a14a008cf1
Manifest4c2ab39f7410d5654ac5f8bc1faed8037ba1b80797c010fb0a1d4745f04d1bc3

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
SignatureMO3DIy3vlGE04qumWWx9OK8LFkGUvBsIAM/BncV1DP44lUeNJii8Ny6Jx9SS08Je7hqhUj+3itztcmVgezt1Dg==
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

2026-09-17T10:20:41.199234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281
observed f554a1e4dd25cf0991a8748260c58abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.180842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/manifest.json
observed 4c2ab39f7410d5654ac5f8bc1faed803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.162627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/publication.md
observed bb684f9b98785f57f33477cd6788d9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.144626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/publication.txt
observed d6580bc8085b71482838a877e249528b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.712807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281
observed f554a1e4dd25cf0991a8748260c58abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.694936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/manifest.json
observed 4c2ab39f7410d5654ac5f8bc1faed803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.300975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/publication.md
observed bb684f9b98785f57f33477cd6788d9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.281043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075281/publication.txt
observed d6580bc8085b71482838a877e249528b...
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.