OpenTechnical

OT-2026-000089957

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089957) never changes.

Identity and time

Publication numberOT-2026-000089957 · never reused
Internal UUID01a0ae9c-428d-7464-91d4-1b123a00dbfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089957
StatusPUBLIC

Content hashes

Canonical textef3922534b534cd9d56838f7b92946b91bcc47720252edf4e0d57bc43018fd47
Markdown6155a705aaf4c4ac35948f0796687e8690b7e677cfa63d420e42cdf5fe7d8013
PDF
Publication page0f023fe9953ff9be409ee05a3462253404a7037e54d04c7fab66f971ba29e308
Manifestfb9382b85bcc71c1ac5d05fb6ca8504a0266a45ed85d0faa4ceead88c6007278

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
Signature9B9nPNu8aGzc4KpO1GA3W2iyeOr7/jqfS1zHV3US/LLwFwbGq7LcU7lH+ZzLIqVzlrm2bf4ez9/+6WDWkAAYBw==
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

2026-09-17T09:45:20.380641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089957
observed 0f023fe9953ff9be409ee05a34622534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.360135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089957/manifest.json
observed fb9382b85bcc71c1ac5d05fb6ca8504a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.339359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089957/publication.md
observed 6155a705aaf4c4ac35948f0796687e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.320245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089957/publication.txt
observed ef3922534b534cd9d56838f7b92946b9...
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.