OpenTechnical

OT-2026-000016201

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016201) never changes.

Identity and time

Publication numberOT-2026-000016201 · never reused
Internal UUID01a0ae6e-2d11-7c6a-a01e-c40296c287df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016201
StatusPUBLIC

Content hashes

Canonical textdd8e4a80cd1d1d9f9bca32b2b3de3731edb580c12cec3249f638bc02df4d791a
Markdown718e31f39363fb1761a1f048991543b7a10bdc9aea6b27925cce4331d0be4fba
PDF
Publication page75249f246bd9a906e438ea7ac90ad3f2b3431cb475e079c625e4478c84540d10
Manifest4de70620c7030acd7e18b7442b4b6db70e0a1761e76f0c7ead9beec710a836a5

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
Signature93X22q/5eXyKbCKnRYwAoX0pguCtIwlPNE+Sl5snp5V0Ex1mIiTBHLILbRgskudKHcWHa7iQSaEnqkm/yqBBBg==
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

2026-09-17T12:03:39.580338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016201
observed 75249f246bd9a906e438ea7ac90ad3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.562649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016201/manifest.json
observed 4de70620c7030acd7e18b7442b4b6db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.545756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016201/publication.md
observed 718e31f39363fb1761a1f048991543b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.527157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016201/publication.txt
observed dd8e4a80cd1d1d9f9bca32b2b3de3731...
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.