OpenTechnical

OT-2026-000029636

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000029636) never changes.

Identity and time

Publication numberOT-2026-000029636 · never reused
Internal UUID01a0ae73-5e22-7514-94cf-6e6943dcf9ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029636
StatusPUBLIC

Content hashes

Canonical texta6c0e83ffb8c1000a86719a4025ed0f3af5fd610acf45c132860539633b64399
Markdown76524bfb498476ae15f14b315b16960984e77481ec302366437620701a400e9e
PDF
Publication paged77da1d6642bb4da89df21ea42634417cb8c52cf97b690a9f6be85f8b60ef809
Manifeste32f017276dfd9aaa8c8bdc74c49789f64bd07c488a4c31eb56045dbee45a37a

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
SignatureUPGn/vG2cR4erpBIEGPe94/s/RBJRYajplLc7cHckGvLOCifzzQpxEG/iWXIpI171u57ZVJbGGCn/lpL9VKvCQ==
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

2026-09-17T11:39:20.745546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029636
observed d77da1d6642bb4da89df21ea42634417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.729389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029636/manifest.json
observed e32f017276dfd9aaa8c8bdc74c49789f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.701195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029636/publication.md
observed 76524bfb498476ae15f14b315b169609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.683195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029636/publication.txt
observed a6c0e83ffb8c1000a86719a4025ed0f3...
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.