OpenTechnical

OT-2026-000087526

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000087526) never changes.

Identity and time

Publication numberOT-2026-000087526 · never reused
Internal UUID01a0ae9a-cd51-7c23-a8d5-ea1f59585b52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087526
StatusPUBLIC

Content hashes

Canonical textb683d0b95aba001e23bfb6b7af4edec44e5ca50f52e55e5fa31b6de6112d6400
Markdown0ecc6644386e41a92e3f6e30aadf9fa07ba89ac8a9ed8cb7254b7956766e8fa6
PDF
Publication pagee41c008bd42d49bfeba3485b73da6b4a4c247e0f6feea09aa962319c28fd9cf1
Manifestb43949eb785b39f151611759acf87c831d3743d92b6a67e513447d57f9c604f8

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
SignatureFCESOUloPNp4/z2r2cSrBq7Es2h0tHi0dG2SrPL93IXm9O+1rBsy1DSlCxm1+8xyUR++8pEvi8pC2QZSiTqnCw==
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

2026-09-17T09:50:51.810256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087526
observed e41c008bd42d49bfeba3485b73da6b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.794408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087526/manifest.json
observed b43949eb785b39f151611759acf87c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.778984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087526/publication.md
observed 0ecc6644386e41a92e3f6e30aadf9fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.763166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087526/publication.txt
observed b683d0b95aba001e23bfb6b7af4edec4...
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.