OpenTechnical

OT-2026-000084047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084047) never changes.

Identity and time

Publication numberOT-2026-000084047 · never reused
Internal UUID01a0ae98-5b5e-77fe-8f81-c3351eece009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084047
StatusPUBLIC

Content hashes

Canonical textcc8de8cbe8bde2c95b92bc76de41297bfe79e50159b849e655a160ffc1e7f2ad
Markdown9cf9c48330ec5e4a84776badaded4502f4ef009cf99a2e5d6c43b68651ae29c8
PDF
Publication pagecc6b1508420e6af347b66c9d63c93bfb72bf55037d79f9546908243ad4b281d9
Manifesta4b560c17335bb2d9df3f616a34ea0b75facae3835531bf022e6e5090f1e835e

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
Signature++4npJlyj/RuX2bIzTJ9ZAXsaS3Z4Tu07LKtAUG7BVRnH8SjBZngIvXNZliKnNBRgomZSVLZD/TE6nIk5FG1AQ==
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

2026-09-17T09:55:46.816896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084047
observed cc6b1508420e6af347b66c9d63c93bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.798977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084047/manifest.json
observed a4b560c17335bb2d9df3f616a34ea0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.780024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084047/publication.md
observed 9cf9c48330ec5e4a84776badaded4502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.762871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084047/publication.txt
observed cc8de8cbe8bde2c95b92bc76de41297b...
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.