OpenTechnical

OT-2026-000013593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000013593) never changes.

Identity and time

Publication numberOT-2026-000013593 · never reused
Internal UUID01a0ae6d-6fcb-78da-8671-cb1e664b6e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013593
StatusPUBLIC

Content hashes

Canonical text86e08b3c3d2d625ecb3740706c3898827297a64693c1c0183f4a99fc0fd7016a
Markdown5301ab0bb3d526049d4310f1ec7ed079478c397752fd2d41a437cb89a53446f8
PDF
Publication page2c82b0054d322d7aa3bf26d26259553b2b6b22c4f464501fdc869f797a8575f0
Manifest051fc82a89049ae1b0fd2b3cd5836d5c41d1d065b992f9d9b4ff118e8718fd58

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
Signature+7M0ICloA2eFkrEi1VKqPKDPae7TVaC1ykYSG1S22V2hKJXQaDEGQ+STpJJ0KNPY0FI1KdX2y5q32BAKRrayDg==
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

2026-09-17T12:10:08.760065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013593
observed 2c82b0054d322d7aa3bf26d26259553b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.741166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013593/manifest.json
observed 051fc82a89049ae1b0fd2b3cd5836d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.721017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013593/publication.md
observed 5301ab0bb3d526049d4310f1ec7ed079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.702345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013593/publication.txt
observed 86e08b3c3d2d625ecb3740706c389882...
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.