OpenTechnical

OT-2026-000067044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000067044) never changes.

Identity and time

Publication numberOT-2026-000067044 · never reused
Internal UUID01a0ae8f-14fe-7468-ac3b-57728d7176f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067044
StatusPUBLIC

Content hashes

Canonical text530328f1097cbd3c192fa19cbaa38a0f52b2aaeecd7c8156ed65451824850d3d
Markdowna9b09bcaae6de8abec535e1d2524da7add44c6cccd0c5aa5b5e91f058fbe0a81
PDF
Publication page3f3040b2c615ad8bdd451d54210f6b8b44faa35dbae344c9446fe80e925a9ed6
Manifest0823c828ec5df0daaae66172d0dace6b53de42c93114e679c6c93601d50b5a2a

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
SignaturebNIxU+wczrLeWGWZdhUZ/Q8TFbhSthYTb1cb4SyWatm56bS7kiT0XHHQ/fJMJ7Bu9D2DqRJyuPqYPOL8ewywCA==
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

2026-09-17T10:32:17.771834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067044
observed 3f3040b2c615ad8bdd451d54210f6b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.753126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067044/manifest.json
observed 0823c828ec5df0daaae66172d0dace6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.732779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067044/publication.md
observed a9b09bcaae6de8abec535e1d2524da7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.712515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067044/publication.txt
observed 530328f1097cbd3c192fa19cbaa38a0f...
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.