OpenTechnical

OT-2026-000050483

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050483) never changes.

Identity and time

Publication numberOT-2026-000050483 · never reused
Internal UUID01a0ae82-5c48-7596-98e1-269ee8072c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050483
StatusPUBLIC

Content hashes

Canonical text86ab23bf45a19708f6805dc25fe53c2dc54dc85dba80c076e62f7a98cc21fe86
Markdown3a9504b4547dd57b434fe0cf17aad77ea99e810f09cee447f725543a027f16c0
PDF
Publication page92a9f568c37393edf3798b0a2b287fd6aab77b977927acc71c0f96cd2a5b3c70
Manifestbd5273d934c9ab82d2abe770e1a556f363fdb8c6bf94ccd0800ccdea4df62542

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
SignaturedpVrB146O8pnvmKq2ThbKmhmPlN48f7WQnZyoEP0fiTZNDOvgBYMNhY7NZqLA9qPwo6jy2ZcR3M1eatH/gH9AA==
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

2026-09-17T11:01:32.296477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050483
observed 92a9f568c37393edf3798b0a2b287fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.281437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050483/manifest.json
observed bd5273d934c9ab82d2abe770e1a556f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.265317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050483/publication.md
observed 3a9504b4547dd57b434fe0cf17aad77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.249332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050483/publication.txt
observed 86ab23bf45a19708f6805dc25fe53c2d...
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.