OpenTechnical

OT-2026-000056274

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000056274) never changes.

Identity and time

Publication numberOT-2026-000056274 · never reused
Internal UUID01a0ae87-4bd1-7207-b9b8-335ec87de114 · 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-2026-000056274
StatusPUBLIC

Content hashes

Canonical text512900e5d5f79d84dead8c64cdc67cdcfb6c28f69b3ba811fecbbd4d66c94a48
Markdowna6f5b6f53109b3776ac7848e477ab68f0beaef5e94361fdd9f0c56d85a3e7489
PDF
Publication pageea124073ebceef082db63e4082b6b894882437676689e62f779baa6ef130f35d
Manifestc10c4fd028ed20e63934c57dd4174392c19985f0e0165262e932fd4a05039e01

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
SignatureJN9/Qv3X9DyGYSMkKeGhNkh0MshbEwFnKRm4XXcNvNFpqMl12jH7kf7Ktt4MQFTo36Za9v/ITR2inVf0dnwzAA==
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

2026-09-17T10:50:45.672304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056274
observed ea124073ebceef082db63e4082b6b894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.654098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056274/manifest.json
observed c10c4fd028ed20e63934c57dd4174392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.635422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056274/publication.md
observed a6f5b6f53109b3776ac7848e477ab68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.616948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056274/publication.txt
observed 512900e5d5f79d84dead8c64cdc67cdc...
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.