OpenTechnical

OT-2026-000050691

Publication integrity record

Three cup vacuum gripper, three 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-2026-000050691) never changes.

Identity and time

Publication numberOT-2026-000050691 · never reused
Internal UUID01a0ae82-c7b0-764f-962a-143f6d4839ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050691
StatusPUBLIC

Content hashes

Canonical textb3b545dc2942d3ab249d667eaeeee06c077421f1fe3b2a80b6c942444c23791e
Markdownf465b406c7481aee65b95fca7a70aa5f0bce2905e0a46c771663ba090994272e
PDF
Publication pageb9678407cad52a1948dd7371b2c96a175e8a30d6bce05d4cb278384fc139cece
Manifest39fb3c56a5ae1fafa91e093297e97671b56fca290459ae7930267a29826384a4

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
SignatureA58pM5ZWR2GNB+77gUdBRscDCFF7kPVVMmO5/LVRTi9jJaX0nnvKI5yRyu8qzPbKK05MzAabaOtdY6+4YFboDg==
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

2026-09-17T10:59:24.132998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050691
observed b9678407cad52a1948dd7371b2c96a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.114171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050691/manifest.json
observed 39fb3c56a5ae1fafa91e093297e97671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.095786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050691/publication.md
observed f465b406c7481aee65b95fca7a70aa5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.078672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050691/publication.txt
observed b3b545dc2942d3ab249d667eaeeee06c...
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.