OpenTechnical

OT-2026-000062050

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000062050) never changes.

Identity and time

Publication numberOT-2026-000062050 · never reused
Internal UUID01a0ae8b-b8af-7850-b2c7-05806698fa04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062050
StatusPUBLIC

Content hashes

Canonical textee182ef2c62f50f4d890a3fb3c6544b21d9b036b0c7a69411417d0bfb58c615b
Markdowna2ffc76f9ddfe15226d982d4165e579e0599fab65c99507976c5aadd69608321
PDF
Publication page4d9eb12d2e2d6c75bafc128a83bea1eaa8d9b8e5c9f534aee94c0e1329e310f3
Manifest2ec817342c51e43292872701b91dbd90ad9b972a182670038165133b6a263e37

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
SignatureHPCon5zsPOZmXrjT34SdqimAtOsYwA5O9lFoI4wEM2U9Sn192MslUBM9B0oMLpiRNIQlwKqESzIaUbwZ/VZyDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:05.522222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062050
observed 4d9eb12d2e2d6c75bafc128a83bea1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.503496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062050/manifest.json
observed 2ec817342c51e43292872701b91dbd90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.483922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062050/publication.md
observed a2ffc76f9ddfe15226d982d4165e579e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.464644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062050/publication.txt
observed ee182ef2c62f50f4d890a3fb3c6544b2...
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.