OpenTechnical

OT-2026-000006590

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, ejector fed, 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-2026-000006590) never changes.

Identity and time

Publication numberOT-2026-000006590 · never reused
Internal UUID01a0a960-95bb-7ed2-b345-0ae9e8faf0ee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:14.431771Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006590
StatusPUBLIC

Content hashes

Canonical text409905828b0ec88ee1fca740a85d4ccf4dc711c639cd712f2bb6b3df9c2b2f94
Markdown629bc7df21f153d0b04f8835eb38f2ccb4764508f62f325e517d67ca856bdb19
PDF
Publication pageb1ddd2296837d81987a2d800ea2104266e15ba1af908095c130eba9d1239823a
Manifest7d9b9819f2f71f6145099cdd434587c650bd2efe474ecfd4adeea2bffac96c4b

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
SignatureJN2WhtegLtVJsDT1vpr98j2z19JAi6tk0jIHlK5hKjsEN7aGW777z5yZX2W0yXU+Q/tsFWuAj26STs7Z7uY4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:27.716034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006590
observed b1ddd2296837d81987a2d800ea210426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.704726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006590/manifest.json
observed 7d9b9819f2f71f6145099cdd434587c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.690132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006590/publication.md
observed 629bc7df21f153d0b04f8835eb38f2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.677367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006590/publication.txt
observed 409905828b0ec88ee1fca740a85d4ccf...
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.