OpenTechnical

OT-2026-000004936

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, two stage ejector, pressure verified, contact triggered

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-2026-000004936) never changes.

Identity and time

Publication numberOT-2026-000004936 · never reused
Internal UUID01a0a928-5d6c-77fc-b7c0-745ddb3d995f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:49.999521Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004936
StatusPUBLIC

Content hashes

Canonical textee15ceb8d00f200253e80eb0507ad64791273ea7eb7c8294337e39b3bfd4e5ce
Markdown2ebe75f68676fd9fc405288ec0e0a3a1cdd3bfec35d77a7a0318bbe90da9f442
PDF
Publication pagefeb0ce19f7fe1abcda1fa301546c5a67a2d2635f70f7d47827264b4bf54fdf06
Manifest76aa5948e1568dbfe4bc09030b3b5124e012922791f0178c66d16448d567d07e

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
Signature7tmq1Go3hsn3zhfZX8Jj9cNgHGNs9utMEAjrQnyknaO9vSFnHZ+F5byfU1vOC4f4RybgzUf/lpmcjHRbdBx0CQ==
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

2026-09-16T07:40:02.739609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004936
observed feb0ce19f7fe1abcda1fa301546c5a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.726376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004936/manifest.json
observed 76aa5948e1568dbfe4bc09030b3b5124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.715422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004936/publication.md
observed 2ebe75f68676fd9fc405288ec0e0a3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.702584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004936/publication.txt
observed ee15ceb8d00f200253e80eb0507ad647...
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.