OpenTechnical

OT-2026-000039943

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039943) never changes.

Identity and time

Publication numberOT-2026-000039943 · never reused
Internal UUID01a0ae78-d8d7-7dd2-b788-88e82f264137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039943
StatusPUBLIC

Content hashes

Canonical texte88a09bd3f7f8fa93523ea82d887c4630c6e6f23d0f1685fc6e44023880ff5dc
Markdownc330a879a17ad00f6ff5893dbf8ba97c82ccf24df4439652cc2d942eed6aa3d5
PDF
Publication page4f59dad70b2cab4c80ffb38ba3224bdff28a7c8019cf87dd2fd11d4bbc33efa8
Manifest54e76274c7279eb9ac9b36bfa6b445b52661a568014d4f994837fef068498588

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
Signature7gwepyu37h3E76AohPrQQbglDK4wDYUoJwmdxwMnH2TslGHjUT+ECkgAJn6+0F7F0unOD+Mb2VpQv/T4RMBMDA==
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

2026-09-17T11:20:14.782702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039943
observed 4f59dad70b2cab4c80ffb38ba3224bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.762879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039943/manifest.json
observed 54e76274c7279eb9ac9b36bfa6b445b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.743593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039943/publication.md
observed c330a879a17ad00f6ff5893dbf8ba97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.724954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039943/publication.txt
observed e88a09bd3f7f8fa93523ea82d887c463...
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.