OpenTechnical

OT-2026-000004716

Publication integrity record

Bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, contact triggered

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-2026-000004716) never changes.

Identity and time

Publication numberOT-2026-000004716 · never reused
Internal UUID01a0a921-11fe-7841-b5b0-2cc899e05de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:51.937567Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004716
StatusPUBLIC

Content hashes

Canonical text2b5ffbc198fbff48ec965f3db40bd6e1a1867c7b3864df0535d2b736aae3c6f8
Markdownf8abedade1349d4cc63c09c2afd1778a74cd6bbf34a63c4ad5da20f11066d9e8
PDF
Publication pagef3223af593b0c929b5aa75f238a14ef0c7e40b3520be1c62373326b76f733d8f
Manifest9ad6c1b87aa776df1ef2530778e5e5ca1edcdba1037f939c1dabf0b5a3550eb2

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
Signaturem8itQlHYm9rd4jDoVfE3aQuTJWZxvTMddQZPnW00UtkJ9yknNrKH2qKpOUXpEZwlYGl9/jP/U4C3/QvHlvuMCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:26.484795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004716
observed f3223af593b0c929b5aa75f238a14ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.471547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004716/manifest.json
observed 9ad6c1b87aa776df1ef2530778e5e5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.458277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004716/publication.md
observed f8abedade1349d4cc63c09c2afd1778a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.445159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004716/publication.txt
observed 2b5ffbc198fbff48ec965f3db40bd6e1...
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.