OpenTechnical

OT-2026-000026505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026505) never changes.

Identity and time

Publication numberOT-2026-000026505 · never reused
Internal UUID01a0ae71-f4a8-7c62-a558-446e8396071f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026505
StatusPUBLIC

Content hashes

Canonical text1e266951dcd087b022be2ba337492b1bd589ae5f2d03321611af60ddb2bc51e0
Markdowne001bc8d340e2b46495e15fb0719a67bdb0cb48a94b0213c308bae241830414e
PDF
Publication page0d61a603ba2d880de3092de3b9f83a143bdf6bf5cb21ab6beffa07bbb664e692
Manifest1d33c95b4c204fa11820f25d2de8ec725bc7da5cccd7f0147ea68b9cb936d55b

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
SignatureA3BKWQnIeHHOgtZJ8LMuZZeUn9qvnIWdeODyQ2D3U1MupaBfgS6b2F8RfqaxW9wiS6Mfj5dSbG7+vm13RwOnCw==
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

2026-09-17T11:44:37.965014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026505
observed 0d61a603ba2d880de3092de3b9f83a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.945853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026505/manifest.json
observed 1d33c95b4c204fa11820f25d2de8ec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.924144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026505/publication.md
observed e001bc8d340e2b46495e15fb0719a67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.905566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026505/publication.txt
observed 1e266951dcd087b022be2ba337492b1b...
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.