OpenTechnical

OT-2026-000100525

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

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-2026-000100525) never changes.

Identity and time

Publication numberOT-2026-000100525 · never reused
Internal UUID01a0aea3-66f0-7f6b-8349-2e90c48c9332 · 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-2026-000100525
StatusPUBLIC

Content hashes

Canonical textea3c84c1b219292a9936deb48a340ee37d54cda9be3da856497743ba67660e47
Markdown69f3d89895d897cae0c550da6d8a47a2eb11bc7241159d8aa89d81ca883af3bc
PDF
Publication page11a49860239ab430cdb62115864105d1b1eda3a6b1b5ae91a2d1f066dfc4cf87
Manifest29a92e380b8a9f3c14c5b087fd984abe1b4d4f1d74da96541894fc8b188d8364

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
SignaturevMNun/klRV1dHfWzeIaR07rNPnKRZxFfVz6ForOE3gau0mLlIsFnTFZoQWBRMewhlA/9adxkx7OYghdmpkuyAQ==
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

2026-09-17T09:27:17.708626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100525
observed 11a49860239ab430cdb62115864105d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.691044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100525/manifest.json
observed 29a92e380b8a9f3c14c5b087fd984abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.673869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100525/publication.md
observed 69f3d89895d897cae0c550da6d8a47a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.658049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100525/publication.txt
observed ea3c84c1b219292a9936deb48a340ee3...
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.