OpenTechnical

OT-2026-000099946

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099946) never changes.

Identity and time

Publication numberOT-2026-000099946 · never reused
Internal UUID01a0aea3-1473-7a92-af6a-8e3bf66a1753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099946
StatusPUBLIC

Content hashes

Canonical textcddaee9239176c8fc2022431af9a19c25fdf3186e74e92187d9d4a5ff5baf7a4
Markdown46c15a70b78ac59e6bb6c735ff8d87e0804aa6f99beb854e32a082121d2fafce
PDF
Publication page7bca332f6af250029845a426a3fdd1a603e0e8d90758aebf2ff57467b707d4d5
Manifest1f194b93b9580e03fba894de3e3e4e7e9e8a25af00ecb6e25155fdee18db97b8

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
SignaturegqWEUPkutuNdUOvzuBXIhnMDrKX7PqQsyfCv4k5tqsYnmdu6Ox0U/WgqXLAz/Aq7cGtWt4QMR8qdrz/qbkfxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:35.840048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946
observed 7bca332f6af250029845a426a3fdd1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.823251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/manifest.json
observed 1f194b93b9580e03fba894de3e3e4e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.803736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/publication.md
observed 46c15a70b78ac59e6bb6c735ff8d87e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.782960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/publication.txt
observed cddaee9239176c8fc2022431af9a19c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.399543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946
observed 7bca332f6af250029845a426a3fdd1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.381368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/manifest.json
observed 1f194b93b9580e03fba894de3e3e4e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.363223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/publication.md
observed 46c15a70b78ac59e6bb6c735ff8d87e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.345175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099946/publication.txt
observed cddaee9239176c8fc2022431af9a19c2...
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.