OpenTechnical

OT-2026-000005113

Publication integrity record

Vacuum cup gripper, two zone face, pump fed, 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-2026-000005113) never changes.

Identity and time

Publication numberOT-2026-000005113 · never reused
Internal UUID01a0a92e-4427-77b3-9d30-40dabae6ba10 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:16.746458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005113
StatusPUBLIC

Content hashes

Canonical textcef97679c743f81a5ada6711d34d7845ceb36efa080dd176a72ce27e5fe41623
Markdown480b5959918b277692212a5a968dcae61406da57aede1ce9512897e58da0fba6
PDF
Publication page5f70bf8ae3c11d716b1b5b2c830595c8a9752517eb69d03553c56d108e04e81b
Manifeste189589e37afba0623cbed906dbbb694848c0104f490b66d570a0d28d70dbb0d

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
SignatureYuOaJTBSmilXVeeHpSYfJL2S4stCuC0Rt9l6uTXraiQcJfvyr2Q2WLT+uxBoRDs7dZzMpiKY3168eSlYKYEhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:14.137574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005113
observed 5f70bf8ae3c11d716b1b5b2c830595c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.121523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005113/manifest.json
observed e189589e37afba0623cbed906dbbb694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.986608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005113/publication.md
observed 480b5959918b277692212a5a968dcae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.972938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005113/publication.txt
observed cef97679c743f81a5ada6711d34d7845...
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.