OpenTechnical

OT-2026-000038651

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038651) never changes.

Identity and time

Publication numberOT-2026-000038651 · never reused
Internal UUID01a0ae78-2d55-7bd0-826c-02c932fdf2bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038651
StatusPUBLIC

Content hashes

Canonical textebc0e0c876cc405c746acc9483a190bc704485981bcb16e686132da9fdf97840
Markdown7282d434bbe0d03b4ed90885a6229306f2ae4f7f4be1dfebb8e428601d64cf38
PDF
Publication pageac91b1b4ef66839c877fcaf3013b16073203c12feac0424bb596969732762af0
Manifest91fe353575acd9212f610e90999c5b7a0abf16452698907a44adad232eb302d7

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
Signaturet0q3Z5ZlRSkJqXmtmQypoG3FfS32gzXTgwoPxzqkWpi6MuEuxhDMEpD/2/mnuT3R7wPGKR3f9bMj4JcU1zflAA==
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

2026-09-17T11:22:56.928378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038651
observed ac91b1b4ef66839c877fcaf3013b1607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.910033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038651/manifest.json
observed 91fe353575acd9212f610e90999c5b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.892364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038651/publication.md
observed 7282d434bbe0d03b4ed90885a6229306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.874614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038651/publication.txt
observed ebc0e0c876cc405c746acc9483a190bc...
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.