OpenTechnical

OT-2026-000057929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000057929) never changes.

Identity and time

Publication numberOT-2026-000057929 · never reused
Internal UUID01a0ae88-6ed9-701b-9276-87a830ebf6e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057929
StatusPUBLIC

Content hashes

Canonical text933fe0e33ea054d551a17bd5b673bca9ae16b87607a3eba23b10cc6646266524
Markdown5edd8908458edafbd14537bbbf7e0c7ac5bfa48ffc2b298050d5a3b45af8a2bc
PDF
Publication page7b9e8c2a1ca763203218a3548f48bb359103c83fcbced46083832c3b737faf32
Manifesta25cf9a76d8a8172138dbd300276e523822b6dff674ad0e480f494954ae8376a

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
SignatureYr3lGSeLAKyxaquNEZvGezZVNP8fT/jGL4N2lxrOQ9h8bCMfKSF+RAErlA8Ds+tOR5j3Agqk0rrBo2Hu/hy7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:32.582386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057929
observed 7b9e8c2a1ca763203218a3548f48bb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.564257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057929/manifest.json
observed a25cf9a76d8a8172138dbd300276e523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.544796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057929/publication.md
observed 5edd8908458edafbd14537bbbf7e0c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.527156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057929/publication.txt
observed 933fe0e33ea054d551a17bd5b673bca9...
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.