OpenTechnical

OT-2026-000072165

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line 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-2026-000072165) never changes.

Identity and time

Publication numberOT-2026-000072165 · never reused
Internal UUID01a0ae92-47c2-7b38-af2c-a427bf648c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072165
StatusPUBLIC

Content hashes

Canonical text4adc3346251e062b55c97a2b4925485a0283b143c80d459ce699a07262d0e589
Markdown04a545c1b37377c51ecdeb784420b8062f4749ec4e02dcec0c1395b3ef1714ec
PDF
Publication page4b96a437513805b42087c809c7501a5dd4344343533a16b9a96475665ae234e9
Manifestfec92ecbcd188ca2fd70598d27bc8c7c0c6e3559733e3e470d25d0c1bf82f1d3

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
SignatureqVsPvM3EfoJ2le2E2M7nHfZ77vFjqRRsb8m7BjlC6Ne50ujitdq9uNrgPJN2f8fqaiAF5zCu51RyVtoT0nk5Dw==
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

2026-09-17T10:23:15.803078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072165
observed 4b96a437513805b42087c809c7501a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.786554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072165/manifest.json
observed fec92ecbcd188ca2fd70598d27bc8c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.768935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072165/publication.md
observed 04a545c1b37377c51ecdeb784420b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.749715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072165/publication.txt
observed 4adc3346251e062b55c97a2b4925485a...
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.