OpenTechnical

OT-2026-000016146

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000016146) never changes.

Identity and time

Publication numberOT-2026-000016146 · never reused
Internal UUID01a0ae6e-2d10-77f3-b623-9471b391941b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016146
StatusPUBLIC

Content hashes

Canonical text2228891c7c02e794ca4fecf71454222c4bcc62bb5e6eb175582076061ee1e359
Markdown6074d4512a8d6e410a2a5da0a08a1f3dabcf92da87a5d168b84cc760b6b1baac
PDF
Publication pagebd7b17fe0e95cb7e7de03aa09ef305e98866c84104765491f1a04363680cee60
Manifest4d1541d758c21ccd2c3fdd3e84ad8669817d340c52569e816524f5b2da7edbe6

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
SignaturehcHeHEGNm3H7UZvT4ZDZRTQLvOiDkaqV3CNB/bdB4TKXFTIKmxF5AWIKuYP3MWhZdRe56rgNScAVAhFP7m5dCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:03:35.122668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016146
observed bd7b17fe0e95cb7e7de03aa09ef305e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.102233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016146/manifest.json
observed 4d1541d758c21ccd2c3fdd3e84ad8669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.082410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016146/publication.md
observed 6074d4512a8d6e410a2a5da0a08a1f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.062070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016146/publication.txt
observed 2228891c7c02e794ca4fecf71454222c...
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.