OpenTechnical

OT-2026-000090054

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000090054) never changes.

Identity and time

Publication numberOT-2026-000090054 · never reused
Internal UUID01a0ae9c-428e-73ac-8adc-cd5b2075eafd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090054
StatusPUBLIC

Content hashes

Canonical text134ec041ebbc81cd9a4c7430dee73000d6fb381f8869007d4e02ded00d759b58
Markdown81239f82bd1310b6ed454ce68fb7f8bd75597cdfc1defc07d278818a98a3ce2b
PDF
Publication page24c6452f2135d43746f19e0415b3846068be9729eb21a3f92d26bf3552887b5b
Manifestdfc7b348fadc4072168614366024fa79d1db71f048d0a8779b38dad308febe82

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
SignaturevuUNunCDxV6W6+1jpiHCVfOLEUJnkwPwrweF6RHKjZGJncCLfk9bTsey/JB78RgbbfSF1kqDNuagOXJldyS8AA==
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

2026-09-17T09:45:27.707811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090054
observed 24c6452f2135d43746f19e0415b38460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.687866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090054/manifest.json
observed dfc7b348fadc4072168614366024fa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.666955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090054/publication.md
observed 81239f82bd1310b6ed454ce68fb7f8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.646043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090054/publication.txt
observed 134ec041ebbc81cd9a4c7430dee73000...
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.