OpenTechnical

OT-2026-000013240

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013240) never changes.

Identity and time

Publication numberOT-2026-000013240 · never reused
Internal UUID01a0ae6d-6fc9-7aa3-82e0-229127c5b0ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013240
StatusPUBLIC

Content hashes

Canonical textd0e81a1ac3c941de8295a79da9cfda419f2b4c5683575e3edd7443f7772c0c8c
Markdownb5c67920f7564da0007c796487070dd6249e7d0d5012906606a29c4b3e944fcd
PDF
Publication pagede3e923add2812c75ca24f5ce352c9ce7e1166362e4a0f6e93d145ba94b3d9db
Manifest68517dd838b6acc391c4dd3308079f39755fcc816239c580986eadfeb1f5afd8

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
Signaturexl5JwH+lppddaDEpnuHQbWl0HaTuwhSi1lh2/ER7CvZB3rUWfLxBy45lRGVQJt8I72MTzLwFXe6Pj5nst1SvCw==
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

2026-09-17T12:09:38.431496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013240
observed de3e923add2812c75ca24f5ce352c9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.410773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013240/manifest.json
observed 68517dd838b6acc391c4dd3308079f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.391931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013240/publication.md
observed b5c67920f7564da0007c796487070dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.374249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013240/publication.txt
observed d0e81a1ac3c941de8295a79da9cfda41...
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.