OpenTechnical

OT-2026-000016995

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000016995) never changes.

Identity and time

Publication numberOT-2026-000016995 · never reused
Internal UUID01a0ae6e-591a-79aa-8807-2844a8f442e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016995
StatusPUBLIC

Content hashes

Canonical text3d5cc266ea2a2cd3afcf76e2782868517b84dea51db58a0e7d04fed7c91e818b
Markdown9b3ff5f0983bb77972f637dd57ee8f953da54a77f9ec015b5f3e065735f2b2bd
PDF
Publication page1ff303df88eefbd934eb4b1e01a12e7b4c7d300335eef11adead12d9a8700f06
Manifest283bd2611e33924daaaecf0922566e87ca8acc2439f07d2c8ce9ee1e080f54fd

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
Signature7t9qRnhT9fqF10IPvPkfY7KCM+TSOcz8Sb7Q847jvpdRBuQC9VjWL6+Yv3wf0/IILNzfMP+teHGUCJiGrcNBBA==
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

2026-09-17T12:03:24.010461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016995
observed 1ff303df88eefbd934eb4b1e01a12e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.994816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016995/manifest.json
observed 283bd2611e33924daaaecf0922566e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.977038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016995/publication.md
observed 9b3ff5f0983bb77972f637dd57ee8f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.959743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016995/publication.txt
observed 3d5cc266ea2a2cd3afcf76e278286851...
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.