OpenTechnical

OT-2026-000100526

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100526) never changes.

Identity and time

Publication numberOT-2026-000100526 · never reused
Internal UUID01a0aea3-66f0-77d4-b6ba-8ceb49901e15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100526
StatusPUBLIC

Content hashes

Canonical text22d0e3a888598255583db3b88c3c6ebc3ddc27074b5c90bcab0d093d2bf80cd1
Markdown731d6ee2b19220837a0d2bd158d9be61971e648ac5c4b367465d78359f86bcf8
PDF
Publication page06400dc8e8d6e141e7b099eb36eb9bcde4f19994a03ca5e4293fc2f64bd9aeba
Manifest8ba51f9f83dced8cb084b360c7079bec22d3b4d1755cd28deffcc00e25d7b0c4

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
SignaturesklQ4R3lg+822apRIzjr10zoCerpoGoWPBly0K0RUvyj54Mh0kGJ6ybaQV7955VrkQjd9fwTFwQY7j0wi5gpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:17.782546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100526
observed 06400dc8e8d6e141e7b099eb36eb9bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.764482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100526/manifest.json
observed 8ba51f9f83dced8cb084b360c7079bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.747464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100526/publication.md
observed 731d6ee2b19220837a0d2bd158d9be61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.730027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100526/publication.txt
observed 22d0e3a888598255583db3b88c3c6ebc...
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.