OpenTechnical

OT-2026-000042435

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000042435) never changes.

Identity and time

Publication numberOT-2026-000042435 · never reused
Internal UUID01a0ae7a-5d75-7ab7-b389-24e05ceea480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042435
StatusPUBLIC

Content hashes

Canonical text1a945c12a0431fb7ce0cd81487b8eee4edb9a4d1a54fc73526eeb9ffffb618a8
Markdownc456b41c108b098c2ae01362859bf001ddf9c14ff92b5dd99851b8728b193c97
PDF
Publication page611c9a0b58af85fa77c497f5f8b6696ab8fab784a94dae2b5e4d63f7bd572221
Manifest08114d5516f0703d0dd254b47155e838ff8138a9567addce3131cb52fb440c81

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
SignatureEnzk1h8YSF+pyDLdvzcVSZbck2HPiXMIzzzFjtq72gvGJn4q+n8r0w/JJ1w2L/u7S9wBDwJLp0vTBcs2MxeKAg==
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

2026-09-17T11:16:14.232800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042435
observed 611c9a0b58af85fa77c497f5f8b6696a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.215478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042435/manifest.json
observed 08114d5516f0703d0dd254b47155e838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.199849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042435/publication.md
observed c456b41c108b098c2ae01362859bf001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.183517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042435/publication.txt
observed 1a945c12a0431fb7ce0cd81487b8eee4...
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.