OpenTechnical

OT-2026-000056753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000056753) never changes.

Identity and time

Publication numberOT-2026-000056753 · never reused
Internal UUID01a0ae87-7af6-7ae7-bfb5-be6befa13b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056753
StatusPUBLIC

Content hashes

Canonical text825fda40283275f2a3ff57d9b5306edcc9d1b7bbb1af2cc1bd80eeea53b11e41
Markdown41492942535b5b8371142c91ee95f716be18979c976b16281a03049af6c7c746
PDF
Publication page562e234ef5e26439ed487e1d5b67e49aba81d39372e76b0622a2fdf8325dea42
Manifest24d47c84000aab9a8b99769a664f23b53c53ea224386bf6a937db8e62a51c64f

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
SignatureSQoJ+GwDvYWQmlo8mIWBOjJQncXjmDkmmVVydum4BbYLKsHP7tn3VQEWlOkAPIiMjmNWqxtIiFbki1mSkjhLDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:11.741022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056753
observed 562e234ef5e26439ed487e1d5b67e49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.723126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056753/manifest.json
observed 24d47c84000aab9a8b99769a664f23b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.706148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056753/publication.md
observed 41492942535b5b8371142c91ee95f716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.688947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056753/publication.txt
observed 825fda40283275f2a3ff57d9b5306edc...
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.