OpenTechnical

OT-2026-000055697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055697) never changes.

Identity and time

Publication numberOT-2026-000055697 · never reused
Internal UUID01a0ae87-09ca-7f72-a36b-d91ae27c9358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055697
StatusPUBLIC

Content hashes

Canonical textd23eb31be3634a276e71fe2d298f4fc6b2428285cb80fc253de5881ae495e1f5
Markdown2585211cfa6141291e997302c2ac025f70b9a4fdf203b3756105838b24f9b3a3
PDF
Publication page55ceeace7da8db1ebccaf85db9fa69ba39c3bc6e7b167bbab04e3fa05dfc9c32
Manifest4cd339f58e66e3e877b901d3d2f0988c88c5b91aae9e18ee0d1673318ef1fabb

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
Signature6+6PSU+YRITefWk3cJo/AOB1nlI9KcBhmiEcbxlG7Qkicddv9Z3thzFFVcTy57Pa7PslRMuBiExLVas0VYItCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:01.388594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055697
observed 55ceeace7da8db1ebccaf85db9fa69ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.372241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055697/manifest.json
observed 4cd339f58e66e3e877b901d3d2f0988c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.354366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055697/publication.md
observed 2585211cfa6141291e997302c2ac025f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.335591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055697/publication.txt
observed d23eb31be3634a276e71fe2d298f4fc6...
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.