OpenTechnical

OT-2026-000061892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000061892) never changes.

Identity and time

Publication numberOT-2026-000061892 · never reused
Internal UUID01a0ae8b-b8ad-773a-a060-d38eafca550b · 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-2026-000061892
StatusPUBLIC

Content hashes

Canonical text3c51fbc0aca31907bd0be188a2215bcf89137704eb7cf5c3c6ea2512f687bc0a
Markdown741ecb61495d24a6d94eff412813b3e2b4fc495a7fefea0c329d5425ae3df44c
PDF
Publication pagef916134031317bf1a611641cc4b4ff0adf33e163e1dd33a8c0cbf90e549f800b
Manifestf3d13679788111967a7b5d61684151386d85b1ac8cbdc332442035027c952f4f

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
Signaturew7nDCS26EhPJVWMfz0Xabu0NrIhFFlvf85Opacz1kuoOoSBmBVXqMqlThkxENW86OqMBg4ILUBK4SehOxK4oBQ==
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

2026-09-17T10:40:45.782389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061892
observed f916134031317bf1a611641cc4b4ff0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.741594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061892/manifest.json
observed f3d13679788111967a7b5d6168415138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.720629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061892/publication.md
observed 741ecb61495d24a6d94eff412813b3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.679021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061892/publication.txt
observed 3c51fbc0aca31907bd0be188a2215bcf...
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.