OpenTechnical

OT-2026-000057244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057244) never changes.

Identity and time

Publication numberOT-2026-000057244 · never reused
Internal UUID01a0ae87-d5bb-7bd4-a9f2-e777d2258237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057244
StatusPUBLIC

Content hashes

Canonical text0ab89a394e3cfc01348f3e32cc31d06e15a6fc9dcb1a02a430dec5a4cd5fa506
Markdown5f76573549c56ef0917b8437586778faf6a33f259e167a30ee236bf0ef306a55
PDF
Publication page38f1e50312058daf83968604198edd24e61848751f7e8dc294de521c6b2868dc
Manifest4dfd05fae82b8a426ebcb4592630a44d20ae970a8d724fdf5e00d40d54672ebc

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
SignatureGw9TiHoSDvJZcIgN6F00snpsFIJsZfwUwsxWspnEJ/QQY6P0uifqpT0rPkKirOcJWZXIFqV+9NN83OlVDe4kBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.606763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244
observed 38f1e50312058daf83968604198edd24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.588099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/manifest.json
observed 4dfd05fae82b8a426ebcb4592630a44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.569681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/publication.md
observed 5f76573549c56ef0917b8437586778fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.552350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/publication.txt
observed 0ab89a394e3cfc01348f3e32cc31d06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.214024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244
observed 38f1e50312058daf83968604198edd24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.195090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/manifest.json
observed 4dfd05fae82b8a426ebcb4592630a44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.174308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/publication.md
observed 5f76573549c56ef0917b8437586778fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.153827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057244/publication.txt
observed 0ab89a394e3cfc01348f3e32cc31d06e...
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.