OpenTechnical

OT-2026-000029284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000029284) never changes.

Identity and time

Publication numberOT-2026-000029284 · never reused
Internal UUID01a0ae73-2aa1-70e0-9b75-92b7d435f94f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029284
StatusPUBLIC

Content hashes

Canonical textd9a3631ae25dc30641bf0fce40ee4eef46a0a22d04a86215379d79e62dab3343
Markdown1069a8b72f43a761d28d73abf7cdf95fc3efe4e5836a13db88081e478c802d82
PDF
Publication page7918ec91f70bd887b4478db9bde037c76e79459d6274a5272ca0bcaf4fb718ff
Manifest673335e0c3aeec11e4c4667cbf7b0d3acff7b5cfd612a6f7c35a0dcb48ecc4f3

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
SignaturevivsQDgGGk6lfjcUyxroXhT+4qm69qh3PDsYNZzvygEyL320FEa68T6ZEOh6Axgw7QQqNHSTaJQccEl5SZJ+BQ==
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

2026-09-17T11:39:55.159430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029284
observed 7918ec91f70bd887b4478db9bde037c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.137584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029284/manifest.json
observed 673335e0c3aeec11e4c4667cbf7b0d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.118732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029284/publication.md
observed 1069a8b72f43a761d28d73abf7cdf95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.100057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029284/publication.txt
observed d9a3631ae25dc30641bf0fce40ee4eef...
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.