OpenTechnical

OT-2026-000067286

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000067286) never changes.

Identity and time

Publication numberOT-2026-000067286 · never reused
Internal UUID01a0ae8f-6bd6-768f-bc27-2f6c54d5168c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067286
StatusPUBLIC

Content hashes

Canonical text151a5eb75492306703a90ef923f24dd4b650a5415a40d8d6848d12943485370f
Markdown2873da7f0a03efe2365fd537511ba4949c63c4a098c1343afcdb4f56f901ab92
PDF
Publication page937899354e368d00d991fa603a947a70f7a797c1685689bf6a02a6dc12aaeb8e
Manifest838f4b4846a9dd9ed55b35e29bf1f730c4edc09a0ca22ee4fced02e522420870

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
SignaturejbiLlQg3yqvZdrG6ESOACUpA0XoTWTaZ59nzk6HHyl44Vtnq3HjpaVYy6HFL8ZnUnj+NNIJYd/ALi4VT3HDXCw==
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

2026-09-17T10:30:58.227081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067286
observed 937899354e368d00d991fa603a947a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.207188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067286/manifest.json
observed 838f4b4846a9dd9ed55b35e29bf1f730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.187567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067286/publication.md
observed 2873da7f0a03efe2365fd537511ba494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.169794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067286/publication.txt
observed 151a5eb75492306703a90ef923f24dd4...
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.