OpenTechnical

OT-2026-000005670

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, pressure verified, 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-2026-000005670) never changes.

Identity and time

Publication numberOT-2026-000005670 · never reused
Internal UUID01a0a940-deb8-7fc0-8660-af3606874640 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:35.962071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005670
StatusPUBLIC

Content hashes

Canonical text7df6f25c57de86d6b5d4ae4fdb7fca47306f6c40ec60ef4b70be61baa04399fb
Markdownc76ddb378903253e133b260f9c2b3797d91e15b9725d5e6ff55cd2584482289e
PDF
Publication page987fac1b0118532103f48f818092dd7324908d1e36d8acb264e83f490a7d2310
Manifest51eaf505b38727be8f11134174417337aec6e24614ab41c08f317aec7768c166

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
SignatureYPadD5p5WPINu4UhB2f0qI6unhh9mUv8cYoEZLbY+3YatT8VDKgWauakw7XxBWZlMl2FU7Wu/qgcbHjnE6WFCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:13.755667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005670
observed 987fac1b0118532103f48f818092dd73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.739691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005670/manifest.json
observed 51eaf505b38727be8f11134174417337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.725270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005670/publication.md
observed c76ddb378903253e133b260f9c2b3797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.711255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005670/publication.txt
observed 7df6f25c57de86d6b5d4ae4fdb7fca47...
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.