OpenTechnical

OT-2026-000005417

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, ejector fed, 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-2026-000005417) never changes.

Identity and time

Publication numberOT-2026-000005417 · never reused
Internal UUID01a0a938-5a33-7ed6-8860-7190bc2c201e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:17.750372Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005417
StatusPUBLIC

Content hashes

Canonical text3d8ed7bcfb6b19213dafae46374a52d3557667122a05f57abda2c7eaa128f30b
Markdownf5e1eeeea9c32b2fd417a69f20f775d8ff6c0ad79fe7f44a804895144a128c8c
PDF
Publication pageb66f9dadb9770def5466fb64a0e44d13a249c0bc2612f7f99113da6f271b1396
Manifest74ffa6ffadc55b6341d30764673f590d6a65a0d86cbd746c7dd4fc9b452f480a

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
Signature540a/sdr/O5WqCDESoBiOQGA0g7HE0u/82aONrHmDwqHp+WBOzSUXbUrmd4er5alyPC3/XOFnIIjsCAhQ274CA==
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

2026-09-16T08:00:11.957458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005417
observed b66f9dadb9770def5466fb64a0e44d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.943134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005417/manifest.json
observed 74ffa6ffadc55b6341d30764673f590d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.930739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005417/publication.md
observed f5e1eeeea9c32b2fd417a69f20f775d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.914327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005417/publication.txt
observed 3d8ed7bcfb6b19213dafae46374a52d3...
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.