OpenTechnical

OT-2026-000029645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029645) never changes.

Identity and time

Publication numberOT-2026-000029645 · never reused
Internal UUID01a0ae73-5e23-7a85-9943-72156577848f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029645
StatusPUBLIC

Content hashes

Canonical textc67c32ef3ab1d753c9e1bdd9fd89bcfe64001eb4f8f3dd82d0b961998421cec9
Markdown0be1b6d29254618b8d96b048f0b750ac0da8b8e1c5d89bcbd374c435398fb0ed
PDF
Publication pagec459f1b8bab30d96edac283b5e606bba35ba7406721fed94d14ff12f652d6331
Manifest009edf4c16c584512a8e749a490e229ba47055fd3a2aeaee5693e507bfc0fab7

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
SignatureGJ/dvfvFml8RbC44oTtZcj9LdKVX6rhXWlsYB04NB8AsqtfzRIy+kQ6VU9c2kmU6Tsz0lqyIDq8ho1/tsDkABA==
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

2026-09-17T11:39:21.428121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029645
observed c459f1b8bab30d96edac283b5e606bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.410351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029645/manifest.json
observed 009edf4c16c584512a8e749a490e229b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.393268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029645/publication.md
observed 0be1b6d29254618b8d96b048f0b750ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.374908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029645/publication.txt
observed c67c32ef3ab1d753c9e1bdd9fd89bcfe...
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.