OpenTechnical

OT-2026-000078239

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078239) never changes.

Identity and time

Publication numberOT-2026-000078239 · never reused
Internal UUID01a0ae95-7c27-791a-8d9b-858f413a1259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078239
StatusPUBLIC

Content hashes

Canonical text735917f944dbf451d96457ae738d87dfe3b952356cf04701dec7348cb9735b34
Markdowneb5a34633b4047914c9954a6cd32dfa583139e6490bb4d170030c8831aa3fe4d
PDF
Publication pagef36d5fdd14e91e52ea5aca1ff645018707adcab53a1ab3000bdcbd8bee3da1f3
Manifest6fdd75e6a12333562d6f24b3dfa54a9999658e383f5c442717f81e337a9d7511

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
SignatureESabbit/1nbm7v5TpqYam+GoTYcYJS1WqAWlYi3Fm9CXymetWp1eEidg3Lt3zRuHH8HDBG1/I/pNMX/UFWG9Bw==
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

2026-09-17T10:06:11.357284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078239
observed f36d5fdd14e91e52ea5aca1ff6450187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.337879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078239/manifest.json
observed 6fdd75e6a12333562d6f24b3dfa54a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.318197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078239/publication.md
observed eb5a34633b4047914c9954a6cd32dfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.299555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078239/publication.txt
observed 735917f944dbf451d96457ae738d87df...
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.