OpenTechnical

OT-2026-000043620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000043620) never changes.

Identity and time

Publication numberOT-2026-000043620 · never reused
Internal UUID01a0ae7b-92d0-7e45-a1d9-1ef8d7caa62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043620
StatusPUBLIC

Content hashes

Canonical textd76c5ac80bc09c95be5dfe2a11fa5e44b3d8d555fe8998e85b2f6e2859074b61
Markdown7376fa3d974618996c0f58a553b37ea4807468fcbb8a7d1cd2526bdf3597bbd0
PDF
Publication page15f99c11afb473863f7914200ec51e635c14eeb618ca5a5af6d7bc9496c9beba
Manifest4460254e76827f48f4fe964a9cb823a2fc9494dd09bdfbe08a2379c955e71ff8

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
Signature0FbqKNIkKHsxVuDRmKJANZDOtUyp0bPloXvmjfy+6Jf2uEIj6CIdL+OX8h/284SITT55nlPWaWriKwOHIufgBA==
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

2026-09-17T11:13:05.347606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043620
observed 15f99c11afb473863f7914200ec51e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.329284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043620/manifest.json
observed 4460254e76827f48f4fe964a9cb823a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.308751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043620/publication.md
observed 7376fa3d974618996c0f58a553b37ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.288819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043620/publication.txt
observed d76c5ac80bc09c95be5dfe2a11fa5e44...
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.