OpenTechnical

OT-2026-000043244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043244) never changes.

Identity and time

Publication numberOT-2026-000043244 · never reused
Internal UUID01a0ae7b-327c-78b7-a33b-6eace639b22c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043244
StatusPUBLIC

Content hashes

Canonical text5f68a8c089431a70c2c50395e894b05816ce65105c29e2e7ad561e6ea32f9bd6
Markdown9e3f5ce7ef26ce45c43f143f39a8f2cc9330c9fb02220bea1c9bf878ce1519b7
PDF
Publication page2bfa4cb02f6284ce2033351c17cc03b444222417545cfb1f918cbbce8b774d8d
Manifestcde15e7bbacd1ab5b3cac32836dff9ae0c1577b80ca9c6d7d752f3921e0c8630

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
SignatureImwCfSO1GKZsqhEbKoXmDeenXRdmBnPypWH9navpmUVpS56uihmsPuoy0E+LvIdqvWBCWIzhl5HcrdLNw4jQCA==
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

2026-09-17T11:13:43.224491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043244
observed 2bfa4cb02f6284ce2033351c17cc03b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.205335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043244/manifest.json
observed cde15e7bbacd1ab5b3cac32836dff9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.185581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043244/publication.md
observed 9e3f5ce7ef26ce45c43f143f39a8f2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.166216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043244/publication.txt
observed 5f68a8c089431a70c2c50395e894b058...
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.