OpenTechnical

OT-2026-000012926

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000012926) never changes.

Identity and time

Publication numberOT-2026-000012926 · never reused
Internal UUID01a0ae6d-5564-7e23-b35d-b9a889a80278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012926
StatusPUBLIC

Content hashes

Canonical text1a0e25c16e147133f327a32d852d48d2548264958932976192ad0f68d2041526
Markdown5346bc6c7af2addc8b48b80a441fd7d524bd6bae78c89100420e938d83fab2b8
PDF
Publication page0b7413a1e73bb6697c6c5bac2b47e4a9f244c6a4feea6e20120b45d97ecb9db7
Manifesta72ecb3720eb1e61c6c3214e94ce964c23a718bf3cad5dd02f8e5c0c9db9d59d

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
SignatureAGb0l9dqWKk7T5d+cC0045YuUxJDm0vM4rUFgcOLRKWJJTGVPjepEG3x/OEo+CGF4VRlRHyA+Tz7nGtcSc0+CA==
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

2026-09-17T12:10:43.436826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012926
observed 0b7413a1e73bb6697c6c5bac2b47e4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.415967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012926/manifest.json
observed a72ecb3720eb1e61c6c3214e94ce964c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.396908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012926/publication.md
observed 5346bc6c7af2addc8b48b80a441fd7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.378583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012926/publication.txt
observed 1a0e25c16e147133f327a32d852d48d2...
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.