OpenTechnical

OT-2026-000044221

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044221) never changes.

Identity and time

Publication numberOT-2026-000044221 · never reused
Internal UUID01a0ae7b-d67b-75ad-89fa-0c77103c9420 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044221
StatusPUBLIC

Content hashes

Canonical text3029d3d7fcf245dc35531da6dfce73ce77fba04d10ce2d04cf555345076861e0
Markdown045a4e610deee1bec830247dec07d3422d73af3c8b14514fb413b66335a85007
PDF
Publication pagef0d5ec2a41e94055e80900aab5346ce203f455d151b4f3a43b54e865af272e27
Manifestf2ebcbc2b15bba0128d297b1b18699ae2fc703ddee3617d60c56b886e20fcc0b

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
Signature2sWPkgA4aePRLPbRJykJFlgv2KBBcHRUOwfXr+3yyPpbxLDh0HHUZXApyaCNQWQqelq4TGxJPWA3P5Qldm6XCA==
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

2026-09-17T11:12:46.789504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044221
observed f0d5ec2a41e94055e80900aab5346ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.766521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044221/manifest.json
observed f2ebcbc2b15bba0128d297b1b18699ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.745042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044221/publication.md
observed 045a4e610deee1bec830247dec07d342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.725839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044221/publication.txt
observed 3029d3d7fcf245dc35531da6dfce73ce...
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.