OpenTechnical

OT-2026-000026568

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000026568) never changes.

Identity and time

Publication numberOT-2026-000026568 · never reused
Internal UUID01a0ae71-f4a9-773d-8c56-58b0dc755480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026568
StatusPUBLIC

Content hashes

Canonical textb0acdc0fd5377724a347a8c6a3667d4d434acddad55050dcf98eac48150cf044
Markdownc9fa35ea1cd78a77eafe9ed156510939b695afa72e074f6604166c702cfff080
PDF
Publication pagea359fe3b72d03403b6645b37b9eccd8f6483aa2c2012ca170dd41dd7c33b6eec
Manifest791b916fb7d88e0c4e4eeda02dbbc9a00363148c4561e6bb10990d69660b4693

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
SignatureSvmfCKPfRRAO2YQrcXDx6nDFuMRuhr6f2AoPNUqP18Kf04XLEig2ThZWrquP7t50pK+tHj4t5m6P963uLMKoAg==
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

2026-09-17T11:44:41.870509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026568
observed a359fe3b72d03403b6645b37b9eccd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.852281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026568/manifest.json
observed 791b916fb7d88e0c4e4eeda02dbbc9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.835900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026568/publication.md
observed c9fa35ea1cd78a77eafe9ed156510939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.820804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026568/publication.txt
observed b0acdc0fd5377724a347a8c6a3667d4d...
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.