OpenTechnical

OT-2026-000017733

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017733) never changes.

Identity and time

Publication numberOT-2026-000017733 · never reused
Internal UUID01a0ae6e-96fa-735d-a042-70a86ecf4254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017733
StatusPUBLIC

Content hashes

Canonical text8ae76b6d9abe6250ede4670f94b5bbc5965f97515f26833ec3a02388dac99385
Markdown3d6ae163cbd155ac40943d5c9e185c900483d391f00c2a34f190e083b6a18894
PDF
Publication page3c435a039c3c6a1ef32b66c215dc73e3e4e33c16637494385aa9fd7cf9ba7796
Manifest2e66fe264a3ee0ab5eefc7ecd05d047a739b43cab1c87239ad208ea06c0e5d01

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
Signaturel4WEx/IVhRQdmtH1VZ0k4hUUzPTQYxE8AIN3B5OaPJPmDvxjz2nbJD125E9qil3Z4LwY3fy6tHS0g0VJ4o39Cw==
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

2026-09-17T12:01:41.077376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017733
observed 3c435a039c3c6a1ef32b66c215dc73e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.062454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017733/manifest.json
observed 2e66fe264a3ee0ab5eefc7ecd05d047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.046774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017733/publication.md
observed 3d6ae163cbd155ac40943d5c9e185c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.015772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017733/publication.txt
observed 8ae76b6d9abe6250ede4670f94b5bbc5...
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.