OpenTechnical

OT-2026-000102075

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed 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-2026-000102075) never changes.

Identity and time

Publication numberOT-2026-000102075 · never reused
Internal UUID01a0aea4-50f2-7735-88dd-f3418796932c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102075
StatusPUBLIC

Content hashes

Canonical text99a2c55c2802b024112a9010822b9714b925b46358251c4c20840fdc476fd15b
Markdown4a6687d15aefe0ec10d797a447d04861e71e3a6f232a2596397f117fe5cd7764
PDF
Publication pagee8dd432afdc4197ddd462fa21df8ef82b4766ba65172a833ee58abc511e8701f
Manifesta1ac74f8459f5d2a20eb6f3678f86b15ddde2beef0a21deb9476b1eef0215066

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
SignaturePCCTj4Muo0m6foXHkTkVYq5M7ZZ7V6qAQ1KKbSyX1ych0Gs3vA5vxksC/EcWeYs6/jMjhsSnG5cqrF/1HW2EBA==
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

2026-09-17T09:25:13.275648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102075
observed e8dd432afdc4197ddd462fa21df8ef82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.256936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102075/manifest.json
observed a1ac74f8459f5d2a20eb6f3678f86b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.235746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102075/publication.md
observed 4a6687d15aefe0ec10d797a447d04861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.217661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102075/publication.txt
observed 99a2c55c2802b024112a9010822b9714...
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.