OpenTechnical

OT-2026-000043730

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000043730) never changes.

Identity and time

Publication numberOT-2026-000043730 · never reused
Internal UUID01a0ae7b-92d1-7894-b523-0961e357f47f · 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-2026-000043730
StatusPUBLIC

Content hashes

Canonical text307266be2787ed2313e19f1cc0097bf928a3f772ba65ee376f0033de352dbeca
Markdown2782a62b1f5aaa638b72471593144553e379c1ea08ad647e917b76627bb4e4a3
PDF
Publication page8e94514bba48e4e200c457df3e63d9940c78ba1a6bf6ac0c2c19617995657052
Manifeste92f2066e4b069199686c239fb20490b191d1e6e1492881e88c523debd263003

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
SignatureHxYLkggOEKybOsm+9BXrP+28uENwh/FTPmMcGAHxDjI5lSTCUqmbGgVHdKVSouK7yiIqhTfZlhibVP2O07vxBQ==
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

2026-09-17T11:13:14.121512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043730
observed 8e94514bba48e4e200c457df3e63d994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.102415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043730/manifest.json
observed e92f2066e4b069199686c239fb20490b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.084772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043730/publication.md
observed 2782a62b1f5aaa638b72471593144553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.067208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043730/publication.txt
observed 307266be2787ed2313e19f1cc0097bf9...
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.