OpenTechnical

OT-2026-000016512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016512) never changes.

Identity and time

Publication numberOT-2026-000016512 · never reused
Internal UUID01a0ae6e-2d13-7e82-90b4-c9fd92a6aa27 · 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-2026-000016512
StatusPUBLIC

Content hashes

Canonical textdba4817f761152237261da0f60925bfb87c2e6d990bc05ca4221f64195459e07
Markdownfcbdc24ec2c79215992a00d5967bd920c04c804d7d19b6b3207fc5aa86dfb9dc
PDF
Publication pagefdf903d3014c10b04090dcd217082f780172c7f2c4e24794b6406ed760c6b1d3
Manifest1f7b54bae8161e44c64e506c40b578dbb045a562c6fc5b4b0f63706b58e196dc

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
SignaturedcS6+Hg5oVfc7YF5duLZYj6KQ1t09xsGi1lqiWG0WDRcIzJljfRZ2tCuTMuj2E5TIPC4Mj3K6Ap+Rz2KMQ6RBQ==
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

2026-09-17T12:04:43.547108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016512
observed fdf903d3014c10b04090dcd217082f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.528267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016512/manifest.json
observed 1f7b54bae8161e44c64e506c40b578db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.510026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016512/publication.md
observed fcbdc24ec2c79215992a00d5967bd920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.491118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016512/publication.txt
observed dba4817f761152237261da0f60925bfb...
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.