OpenTechnical

OT-2026-000050975

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000050975) never changes.

Identity and time

Publication numberOT-2026-000050975 · never reused
Internal UUID01a0ae82-c7b4-716c-8275-ed433c2deab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050975
StatusPUBLIC

Content hashes

Canonical textcd52af841ad06037e0da1309d7f537bad7e7ae18b359782558c2e92a03651a64
Markdown098a9c2d7d2edfeda79014e16242b485f382adca7e98399839c57f50c71d1483
PDF
Publication pageeb5542a14721bf4ad3f1c28cfe28590c8dead0bdb943af4e6e175f47ceb929a1
Manifest7b4592a650349dc78b2320567027edbd4e732c24091070ba2e00f33ade45e263

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
Signature4AZfwx5OlRJkK0lkt0zpfrDhiGouKyoIyRPKhm/qMdyx5wrQNy7JZEzQHA5K+P2yytVrfK9FU5NfhsT+k3NzAg==
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

2026-09-17T11:00:51.891423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975
observed eb5542a14721bf4ad3f1c28cfe28590c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.874524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/manifest.json
observed 7b4592a650349dc78b2320567027edbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.855986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/publication.md
observed 098a9c2d7d2edfeda79014e16242b485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.836574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/publication.txt
observed cd52af841ad06037e0da1309d7f537ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.824505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975
observed eb5542a14721bf4ad3f1c28cfe28590c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.807524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/manifest.json
observed 7b4592a650349dc78b2320567027edbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.791450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/publication.md
observed 098a9c2d7d2edfeda79014e16242b485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.772674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050975/publication.txt
observed cd52af841ad06037e0da1309d7f537ba...
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.