OpenTechnical

OT-2026-000092421

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000092421) never changes.

Identity and time

Publication numberOT-2026-000092421 · never reused
Internal UUID01a0ae9d-b5fc-7da8-95a3-eb314317482d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092421
StatusPUBLIC

Content hashes

Canonical text280cd3921bf97b6a5773f7d28579e77188ba5eb204b5ccc596dfd1ff19b2394f
Markdownceddd0e9e4e9358dac8236d5aee3e9cec0470319ea41019b165878a80b28240b
PDF
Publication pagef5905ac7acba4506ebbf0a0ba8da87bfd47f50fa3ec16e83b9f3b4e7c22a9bb0
Manifest2cf8abe5954b3e3a7cf572e682f8a036980b00b5c5f52d1fe9ccfae29ebb855e

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
SignatureaRwB2SNOrYr/RBtmpQQAl2R/5sTeZ65ezDK9YWTWUdIKpWjfHomM4llkrsKsxVwmLO7w7zqmM0gcmxJG5W2MBQ==
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

2026-09-17T09:40:58.438208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092421
observed f5905ac7acba4506ebbf0a0ba8da87bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.421327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092421/manifest.json
observed 2cf8abe5954b3e3a7cf572e682f8a036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.402999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092421/publication.md
observed ceddd0e9e4e9358dac8236d5aee3e9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.385170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092421/publication.txt
observed 280cd3921bf97b6a5773f7d28579e771...
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.