OpenTechnical

OT-2026-000041764

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000041764) never changes.

Identity and time

Publication numberOT-2026-000041764 · never reused
Internal UUID01a0ae79-e8a2-79c4-a027-0ee3adffdabf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041764
StatusPUBLIC

Content hashes

Canonical textbe61fd6f1ec6d5d72e60286ec2ddef389a1383b73e99fc8b170f8ac9f19f540c
Markdown8fa660fc9d21f17597d76742026387d26ceb0173e0f3160f03d681caa04a3ee1
PDF
Publication page6e2664588ab502239a5c515a6620f41c74b5ab87700a445cb3b2595cc4ddcceb
Manifest38578a5ddac07fb99f992a543a8b0773bad0f4f55b4e2b0471004d31d0e0d7f6

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
SignatureLFFhDB/5Y1sO29ruaI/JgA85QG3tOPXYlU8pDsHjg5lHP5MZSXOz2RGxLwXnppk2qhLhLlZVD/Jj+i05WFOXDg==
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

2026-09-17T11:16:36.715683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041764
observed 6e2664588ab502239a5c515a6620f41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.698818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041764/manifest.json
observed 38578a5ddac07fb99f992a543a8b0773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.680269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041764/publication.md
observed 8fa660fc9d21f17597d76742026387d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.662071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041764/publication.txt
observed be61fd6f1ec6d5d72e60286ec2ddef38...
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.