OpenTechnical

OT-2026-000082003

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, sustained 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-2026-000082003) never changes.

Identity and time

Publication numberOT-2026-000082003 · never reused
Internal UUID01a0ae97-4d92-71c9-a027-00ed2789b7e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082003
StatusPUBLIC

Content hashes

Canonical textfd8702ec0b15ca91e25143022a36abe7eb91efe3b30d75fc1aa8a5299b42661c
Markdown2690bdd6ee38d68e7df23d68ca98b9781dbb5c15c731066c42987fbac257d37b
PDF
Publication pageadeda11d4cd522383c9819b157db876b0a32311c35c7d534fa003126b5a60f6f
Manifestacc4ce07b6e9464ca076e6efbcefebface669943a6aee6da8f2e4ab7bb191a6e

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
SignatureJGziPfUZKJWBYBP53wXbpMQqY/PGQxCkvyTKBTH+kbFcP2EnO0FECVIRDgj7Vyshxq8S+6l6ga0FF4EG1o0LBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:42.891071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082003
observed adeda11d4cd522383c9819b157db876b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.874630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082003/manifest.json
observed acc4ce07b6e9464ca076e6efbcefebfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.858257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082003/publication.md
observed 2690bdd6ee38d68e7df23d68ca98b978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.841037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082003/publication.txt
observed fd8702ec0b15ca91e25143022a36abe7...
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.