OpenTechnical

OT-2026-000032897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032897) never changes.

Identity and time

Publication numberOT-2026-000032897 · never reused
Internal UUID01a0ae75-4842-791f-a97c-d7eec58d31e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032897
StatusPUBLIC

Content hashes

Canonical text17d6e8a47cb7f6a7df5dd24f1cd9cd6f342cb9ac9067b57da74d2fdda532d2ea
Markdownf2e904205c93839442ccc5c2036589fd8e5be88cd3ec28f6924efbec287b62e9
PDF
Publication paged7449fd13361884df826933aa3bd8dabda3ef18549c8063e6f9d2f299e35faef
Manifest3838ea60a3958ae294e0ae453b4d6b4f5b3bfc6159d019c218c537a6ef3dac13

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
Signatureo/1LkCV4INNGt0gskZFdzphWZ++LQa6mKRDMDJS0ZwRtSG65iDRflTKMF8zlXWm88dpu4hNRaaEMHMV0xE9GAA==
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

2026-09-17T11:32:29.069075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032897
observed d7449fd13361884df826933aa3bd8dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.052035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032897/manifest.json
observed 3838ea60a3958ae294e0ae453b4d6b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.035967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032897/publication.md
observed f2e904205c93839442ccc5c2036589fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.019102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032897/publication.txt
observed 17d6e8a47cb7f6a7df5dd24f1cd9cd6f...
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.