OpenTechnical

OT-2026-000033183

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000033183) never changes.

Identity and time

Publication numberOT-2026-000033183 · never reused
Internal UUID01a0ae75-4844-7da2-a59f-2b681d9df5df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033183
StatusPUBLIC

Content hashes

Canonical text784724adb5490d414c8f418d4604b0d11d0fdc118d37c3070fc99ec5c8f8f44d
Markdowne9f30f172c610b7870a6ed8abf1dd19b7802b8e5fd2bd715a2517fa946b99526
PDF
Publication pagebcc9bd727ffd1488cab2d1e5fa9e704cebaa180b33a8b9a4500008230ec9f2f9
Manifest723f86c2a398160a627cb0b19b1c93a227b9247bb1af5f4a0f62ce01d23e119f

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
SignaturedUeL6ucAH6Dns3ieSy5CsSfai+BxqEOS3ArLH1VG6zmGvnv860OztPnq4Z2Bsr+ilswNgFhn8XkzgEQudD0ODQ==
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

2026-09-17T11:32:52.655339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033183
observed bcc9bd727ffd1488cab2d1e5fa9e704c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.638745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033183/manifest.json
observed 723f86c2a398160a627cb0b19b1c93a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.620742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033183/publication.md
observed e9f30f172c610b7870a6ed8abf1dd19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.602537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033183/publication.txt
observed 784724adb5490d414c8f418d4604b0d1...
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.