OpenTechnical

OT-2026-000016530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000016530) never changes.

Identity and time

Publication numberOT-2026-000016530 · never reused
Internal UUID01a0ae6e-2d13-75ac-ba78-c57d17fb6883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016530
StatusPUBLIC

Content hashes

Canonical text51f0b514232a7da1d5a2db3352d69e4d2c94cf2bd97d18ccf4625305c3d68c40
Markdownef2f903d9b4e1ae1dfaf0c2950fb7b82f704da0837b3084e92a50e4d90a7f0ed
PDF
Publication page409a12b5433141520efb83a38a9bea650d39a7287913aeac543dfee90367a087
Manifest9da0a67e4401b2ce165de459ec5286960c71b391088ead3ab6a2eae27beb5331

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
SignatureKuHeUDb3cXIO/KLLwS5GBr/80o2PSuo5w6dKuHTqJX3/ghqD0IXSGJDHQP8NfjjQ9JjbdvAdaDfXweCWg7IpCA==
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

2026-09-17T12:04:44.879592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016530
observed 409a12b5433141520efb83a38a9bea65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.862870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016530/manifest.json
observed 9da0a67e4401b2ce165de459ec528696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.846683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016530/publication.md
observed ef2f903d9b4e1ae1dfaf0c2950fb7b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.828596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016530/publication.txt
observed 51f0b514232a7da1d5a2db3352d69e4d...
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.