OpenTechnical

OT-2026-000043212

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000043212) never changes.

Identity and time

Publication numberOT-2026-000043212 · never reused
Internal UUID01a0ae7b-327c-74d5-8bde-1b2e88a65cf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043212
StatusPUBLIC

Content hashes

Canonical text19b2bec4c864236331359cf380f4e834ef188fd8dac06b305bd939f250b0cffa
Markdownfef5fdaa3e5b5e23937a42e9a09d7177fe9dd47212734edc636980b588f8bd55
PDF
Publication pagec4ae3d94c87eb9282a2510ef7f07ee0c77e028c36a5ab107ef3a4fb35b28b4a1
Manifestf5dc950b02c97d25730489b5b624f346774d3a2440da96c7410df42bc66d5c5f

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
Signature4dus6QPchaelo04BfZnC9c5dPFx7jS+SvBqe66DJ4S4r1O6vtHPfwipQzA22vykFHCoqKm02llEl14w+pUN7DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:13:40.456455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043212
observed c4ae3d94c87eb9282a2510ef7f07ee0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.436688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043212/manifest.json
observed f5dc950b02c97d25730489b5b624f346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.415003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043212/publication.md
observed fef5fdaa3e5b5e23937a42e9a09d7177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.394377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043212/publication.txt
observed 19b2bec4c864236331359cf380f4e834...
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.