OpenTechnical

OT-2026-000075535

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000075535) never changes.

Identity and time

Publication numberOT-2026-000075535 · never reused
Internal UUID01a0ae93-f202-7ac9-8738-3828fc99c491 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075535
StatusPUBLIC

Content hashes

Canonical textd5886bab022dec2e874c0d83800f2cfa0a417f70547ed0fcf60acee2bcbacde2
Markdown93f19da7d92501eafbee09f91bd7fc1ee62460bae193cbf7eab84515a496b0fa
PDF
Publication pageafbf4c98466d62279bf630cb94d312b4eb5b2ff16177ff5e63c92fec697b0c59
Manifest4881cdc0e0e34fafc376eb94f271457db3de32e1894088ed060637445c5a618b

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
SignatureTqKgE6tZiW3ZIaofdySmFvjMudzh4NX2vh1ymGSi7/j3UIGO4ZErmnQgXXoigOsj3hhgM21ozd9I5QqixU86Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:02.039503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075535
observed afbf4c98466d62279bf630cb94d312b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.017493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075535/manifest.json
observed 4881cdc0e0e34fafc376eb94f271457d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:01.998703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075535/publication.md
observed 93f19da7d92501eafbee09f91bd7fc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:01.981430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075535/publication.txt
observed d5886bab022dec2e874c0d83800f2cfa...
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.