OpenTechnical

OT-2026-000090716

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090716) never changes.

Identity and time

Publication numberOT-2026-000090716 · never reused
Internal UUID01a0ae9c-7f31-7788-ab28-147230a99fce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090716
StatusPUBLIC

Content hashes

Canonical textc0bb37e9bd1f7ef8dfd3522cac70b7dddb2a7d92693b35b57982bc93f7a7cb04
Markdowneb2f1c9efe78f1bbf047dd1c0ac439131485781c69cfda0d4be4f06f80f86c1b
PDF
Publication pageb3eacc9725c790b78dafae21e10de7928e2f78964da2d66475dab382a75ff503
Manifest6ae4d7d1dfb7b177f721c09e554954a02b6baad1c9c21c905700781d4175c444

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
SignatureU0tC18kUkGnzh6YzryfxP4pAn0IrZ7kmhYVNc/G/YmLDIzhTTLtgm5zIfooWfOASXcmuM2A/zGBALp5mwnefCw==
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

2026-09-17T09:44:22.143384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090716
observed b3eacc9725c790b78dafae21e10de792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.125891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090716/manifest.json
observed 6ae4d7d1dfb7b177f721c09e554954a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.110057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090716/publication.md
observed eb2f1c9efe78f1bbf047dd1c0ac43913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.091639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090716/publication.txt
observed c0bb37e9bd1f7ef8dfd3522cac70b7dd...
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.