OpenTechnical

OT-2026-000049850

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049850) never changes.

Identity and time

Publication numberOT-2026-000049850 · never reused
Internal UUID01a0ae81-8ff0-7154-9dcd-851e6911afb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049850
StatusPUBLIC

Content hashes

Canonical textee3bc8460bfa38cee96aacbd24131555c6b280635e14fef38df6ad5a099d6931
Markdownc15103be1118eec0b91d1279c94487097628d2196540b15b3c596a28c7684fd2
PDF
Publication page432d866bbbc536565a74e52240c1f22fbe21b8a033b540a6b9ef8715f0940cbf
Manifeste958a25bf555fc9b464736259bd1ee3c1e5d445b664c8a4540f961499cd35404

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
SignatureGj3qtzdtnJ4fMd4g4G2XEsHBKOBwfg7sygBDtZV1OMYjCq9BK4M/82pTQ0uOa5WDkQW/U0MlFt9DKHzLwgK9Dw==
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

2026-09-17T11:02:59.544574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049850
observed 432d866bbbc536565a74e52240c1f22f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.527213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049850/manifest.json
observed e958a25bf555fc9b464736259bd1ee3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.509671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049850/publication.md
observed c15103be1118eec0b91d1279c9448709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.492366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049850/publication.txt
observed ee3bc8460bfa38cee96aacbd24131555...
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.