OpenTechnical

OT-2026-000050075

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000050075) never changes.

Identity and time

Publication numberOT-2026-000050075 · never reused
Internal UUID01a0ae81-fd78-76ad-8811-950babf060d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050075
StatusPUBLIC

Content hashes

Canonical text4d5a18a997e5956d3dd3b49d031bb6c245eb536d1ddc81fe0010f08a79e6796d
Markdownc74f08e0f718bdedf3983cd7516314c9d3167fb1fbef8eb4d234745160e188c0
PDF
Publication pageaa1483f540af8d42933704a6210203996c60e2bd5a929b71bdfd7047073581e9
Manifest2f92ca97953a310aa8af844113f0f9cd8d1651c1146af9eea877861f0e54d841

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
SignatureL5Q7OOf1xGfNDepZMklpwAorEAlJoGkEYdJ4PR6jh8j0vOxE1ik8lje4QagXL1ELPdFTvISQCgqGtmjQTvYPBg==
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

2026-09-17T11:02:03.812339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050075
observed aa1483f540af8d42933704a621020399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.793304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050075/manifest.json
observed 2f92ca97953a310aa8af844113f0f9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.773176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050075/publication.md
observed c74f08e0f718bdedf3983cd7516314c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.752269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050075/publication.txt
observed 4d5a18a997e5956d3dd3b49d031bb6c2...
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.