OpenTechnical

OT-2026-000008648

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000008648) never changes.

Identity and time

Publication numberOT-2026-000008648 · never reused
Internal UUID01a0ae6a-e46b-73f2-9bf8-b92677e045f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008648
StatusPUBLIC

Content hashes

Canonical text21cd04f828e45aadad84c9881f3e72a1c4a1c5c78010f6427584d2247c6e1668
Markdown474808a2c3b21bffb723f291b059040285ab473b102529f683df93793dd48356
PDF
Publication pageb36a2bff2631d7a09801e8ca07a30a017a1d7a706deabd7be05a0c7c72f4b6ab
Manifest691987112c63505fb22cc9d5ebf896f095760365c57613f86460b6ce84207997

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
SignatureOfRq6e4nU/nj3TiUgyXiMQroAEjAZEi+r72Q+pNEXC4/s/r7kaTDllcOimf07i7kfXki7omO0n54RwVO+XaXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:37.277935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008648
observed b36a2bff2631d7a09801e8ca07a30a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.260062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008648/manifest.json
observed 691987112c63505fb22cc9d5ebf896f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.241516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008648/publication.md
observed 474808a2c3b21bffb723f291b0590402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.223315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008648/publication.txt
observed 21cd04f828e45aadad84c9881f3e72a1...
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.