OpenTechnical

OT-2026-000088910

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088910) never changes.

Identity and time

Publication numberOT-2026-000088910 · never reused
Internal UUID01a0ae9b-8f11-7962-9c79-8a014ae6a9db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088910
StatusPUBLIC

Content hashes

Canonical texta94020c2c6fb1229327e9e1364ef4b482d8fe5dd93e76980c18dda8a207b766c
Markdownb93cf07063b482aaa033ca22be49357a7d803619ba574b5605ef8fc57649b2f8
PDF
Publication paged75d1770688fef66df9f4c97cecd1085493b646d87543431f1cdf85d4377f769
Manifest8fd30a7977f55dd6ed60eab5ae912cc0f901cf1f7ce3d393f713b103ce42a9f5

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
SignatureRic1W4XnUYFN/YkZzEEBdBc45zz8C2BaW8MvHybJVRpOw5CcIJk1gXfSrhl/Xzlwh+lYC23Eay3m7mTwThvgDg==
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

2026-09-17T09:48:18.923932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088910
observed d75d1770688fef66df9f4c97cecd1085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.904406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088910/manifest.json
observed 8fd30a7977f55dd6ed60eab5ae912cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.886655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088910/publication.md
observed b93cf07063b482aaa033ca22be49357a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.868334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088910/publication.txt
observed a94020c2c6fb1229327e9e1364ef4b48...
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.