OpenTechnical

OT-2026-000056197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000056197) never changes.

Identity and time

Publication numberOT-2026-000056197 · never reused
Internal UUID01a0ae87-4bd1-71b4-9edc-f7d62889e522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056197
StatusPUBLIC

Content hashes

Canonical texte6bdca435a203bead0298f3f3d36a39299f1efb8da76a0690caf277f7e7cd24e
Markdown1f030ab314879c9a385e08d88242711e171fb9d6f347213154a0a37c5f1ce22d
PDF
Publication page5570a591eb003ff90a70fbd00f040f8bd48652fe5cbae4047ca76b7c73f2f423
Manifest79a2cbd9b3f78b4a9bdd42e3f5612386733f2fa924310e4e077afd167633dd99

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
SignatureEiNHgU2CTdRVNujwO9SjkXqAnLWNIiCYxQHshKS1Trkeh/WNSW5vrf/J+ar6TZs3Ej36x92IpsNmx5H3ThAJBQ==
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

2026-09-17T10:50:40.016590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056197
observed 5570a591eb003ff90a70fbd00f040f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.997343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056197/manifest.json
observed 79a2cbd9b3f78b4a9bdd42e3f5612386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.981004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056197/publication.md
observed 1f030ab314879c9a385e08d88242711e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.961851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056197/publication.txt
observed e6bdca435a203bead0298f3f3d36a392...
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.