OpenTechnical

OT-2026-000029498

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029498) never changes.

Identity and time

Publication numberOT-2026-000029498 · never reused
Internal UUID01a0ae73-5e21-7641-800e-cfd643e69384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029498
StatusPUBLIC

Content hashes

Canonical texte69caef3edfe0d3f2102dcf65ea46952080862e25786a8d9fbcd255336c2960f
Markdown9e4be58096b664a7776a2371764f0df2335d49eeca7fb64429b0932921396839
PDF
Publication page2065b3fc1e43d23d96f670f62d98b04d9e56cb69034a0a24ae9084a55226ab36
Manifest709724de76200c5f182cdf5aa80b763079fa1b97ac3de4fcf41422fceac98cb0

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
SignaturesAILW2Bi+UpnypmAveVWRXUB0i5KKp/YxazkyD1uEOarAz0RdxTITMAvs0De4U53G8ZVfzaTHpZlIsewWRGJDQ==
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

2026-09-17T11:39:07.767379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029498
observed 2065b3fc1e43d23d96f670f62d98b04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.747167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029498/manifest.json
observed 709724de76200c5f182cdf5aa80b7630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.729533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029498/publication.md
observed 9e4be58096b664a7776a2371764f0df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.712785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029498/publication.txt
observed e69caef3edfe0d3f2102dcf65ea46952...
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.