OpenTechnical

OT-2026-000099230

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000099230) never changes.

Identity and time

Publication numberOT-2026-000099230 · never reused
Internal UUID01a0aea2-8288-733d-8e64-4c3a19bd5e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099230
StatusPUBLIC

Content hashes

Canonical text7259d8f02ac5c844f88d64365981430542d7c6f2226374b093f2cf5ee92794bd
Markdownb3645e14013daf4a348e7ef3af5430c88c5504a25c0b06d26f0bee18085d2a71
PDF
Publication page07798ced1d0913fca1d2eb70309f9177210ba9f41c81ca8d564e265db4302cdf
Manifest72d58895c25d20c602d2cc371a799460452fb163a1200c61f7f9742fa2192885

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
SignatureyQua0seHJCaRBRNJRIJQ+Z5paln2j2lkmJz41zlb5XilfEQMjSVa1OkQRINUTAkxH4I1AhrqpDdQMAD7cTRkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:39.818668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099230
observed 07798ced1d0913fca1d2eb70309f9177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.798584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099230/manifest.json
observed 72d58895c25d20c602d2cc371a799460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.779067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099230/publication.md
observed b3645e14013daf4a348e7ef3af5430c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.757113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099230/publication.txt
observed 7259d8f02ac5c844f88d643659814305...
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.