OpenTechnical

OT-2026-000064728

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000064728) never changes.

Identity and time

Publication numberOT-2026-000064728 · never reused
Internal UUID01a0ae8d-deba-7804-a48c-56bf44122907 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064728
StatusPUBLIC

Content hashes

Canonical text58ad0ef3bda5c3cdf4ef52f95d5726b254a90daac18fa32908f25f6b057cfc01
Markdowne424e4eb4f7d69940f321f879f887b8de0740912988000c1a0ff52b402538af9
PDF
Publication page904970ed914fb4aa8f951facc9a8981bdfab3a5c73dc0d122f167ebbef9f3a18
Manifest0d8e484e44c028ac30cd1c650de088aea1b09952dc182350983ea05f97de1827

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
Signatures9NULVaap/8GPzjWiufwV0gpbPkgkghbJuOTA8882mWM0AyeP2dynupLDmjxuGQ0hsBqPacGfmodOZVB5D13DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:36.324342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064728
observed 904970ed914fb4aa8f951facc9a8981b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.307959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064728/manifest.json
observed 0d8e484e44c028ac30cd1c650de088ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.289725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064728/publication.md
observed e424e4eb4f7d69940f321f879f887b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.271046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064728/publication.txt
observed 58ad0ef3bda5c3cdf4ef52f95d5726b2...
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.