OpenTechnical

OT-2026-000024457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000024457) never changes.

Identity and time

Publication numberOT-2026-000024457 · never reused
Internal UUID01a0ae70-e8ca-77e8-baf2-68c81efe9ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024457
StatusPUBLIC

Content hashes

Canonical text7539d5af1f9b9bb9fcb9c409b9ca4249dfae7f961861e6b63b2c1fd338e3bcbf
Markdown345cb703c4ff210fad0c4cc6fa2d8e0678e3398d092a46a0b5d8e2e360f78644
PDF
Publication page4d6b87607285d2359ba3288b655a9684dc1599d81120094eab8ae466443f8425
Manifestba063b7258075acf934098e3c68d492ce001c11002f1dc448c0872f42b6d3dbc

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
SignaturefooKpweY6GfXKYMUgbsy0Y6EYkwqA/vAqhdloIKAz8nD9B+vnbgZVoZUihFC+oRMyG+jJBi5nwzx56EoHyImDg==
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

2026-09-17T11:50:27.570557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457
observed 4d6b87607285d2359ba3288b655a9684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.536802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/manifest.json
observed ba063b7258075acf934098e3c68d492c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.509053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/publication.md
observed 345cb703c4ff210fad0c4cc6fa2d8e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.481311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/publication.txt
observed 7539d5af1f9b9bb9fcb9c409b9ca4249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:36.392113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457
observed 4d6b87607285d2359ba3288b655a9684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:36.370926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/manifest.json
observed ba063b7258075acf934098e3c68d492c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:36.351911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/publication.md
observed 345cb703c4ff210fad0c4cc6fa2d8e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:36.330553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024457/publication.txt
observed 7539d5af1f9b9bb9fcb9c409b9ca4249...
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.