OpenTechnical

OT-2026-000018252

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000018252) never changes.

Identity and time

Publication numberOT-2026-000018252 · never reused
Internal UUID01a0ae6e-b488-75d1-be59-50430f450b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018252
StatusPUBLIC

Content hashes

Canonical textf23ea42adfc59759854c19c42a25a678b0be6a1f2fb729f113df88df8891c123
Markdowncb76b1ed99a2c2de699b61f8e0009bde711a2ba37bd0b9757ceb29e579c45c55
PDF
Publication pagec4375d3aa42b7a947ed62997b06c3513f902b95e556de1a90138d6232bfbd8ea
Manifestee1de94cced31cf89769bd7866887390c9e230c71f96bd619c2e6a9ddcaca860

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
SignatureRhW5bOKGs4TQTCmLqlOxqjSyhV6Mi44lLafdP77M5om0HYh+OYYKYfaSBQritIkp9B/6Swx/S7FRJPr+tx93AQ==
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

2026-09-17T12:00:04.734209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018252
observed c4375d3aa42b7a947ed62997b06c3513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.712573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018252/manifest.json
observed ee1de94cced31cf89769bd7866887390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.694533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018252/publication.md
observed cb76b1ed99a2c2de699b61f8e0009bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.672490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018252/publication.txt
observed f23ea42adfc59759854c19c42a25a678...
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.