OpenTechnical

OT-2026-000032022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032022) never changes.

Identity and time

Publication numberOT-2026-000032022 · never reused
Internal UUID01a0ae74-bad3-7d99-82bd-a526cc47c615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032022
StatusPUBLIC

Content hashes

Canonical text3f8613eb4425246c1712b5e73e5f729e3246d6a9767844c609e6dee6128b694b
Markdownebeb59105968e7aacc6b1fb2c60b47a80d5e507ece9d73cb7f60fda6ac82c309
PDF
Publication page850261f0d6e3a3986791fe3220396fc2605ef29534e58866c89cdaa944efe096
Manifestd319d0a098ab6ec98a369aa8648000e717ed74eec8c607206975b03a2c560f1a

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
SignatureGvVKcrX1QvEs/7WhPHqdgqPIiHsaGAJMHckKlW7fv2C0BE3YioDvznF5+YHxdDIFEBjHubsytjvhBo+eTKSXDw==
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

2026-09-17T11:35:25.777026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032022
observed 850261f0d6e3a3986791fe3220396fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.759051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032022/manifest.json
observed d319d0a098ab6ec98a369aa8648000e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.739937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032022/publication.md
observed ebeb59105968e7aacc6b1fb2c60b47a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.721363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032022/publication.txt
observed 3f8613eb4425246c1712b5e73e5f729e...
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.