OpenTechnical

OT-2026-000013391

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed 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-2026-000013391) never changes.

Identity and time

Publication numberOT-2026-000013391 · never reused
Internal UUID01a0ae6d-6fca-717e-a3ea-c8dca541ed8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013391
StatusPUBLIC

Content hashes

Canonical text337402b20da43ea569a3939e543b835b25af271243f8e6729081cb9a982b2da6
Markdown310b4532ee139db6248d0d66f1ffd8a94ea7e59265b8d7f891a085b8b3d72005
PDF
Publication page0af2af6c76dfc8ae0a11da7433a9ad9e408ee04d8a159a1275f7e0111e39c127
Manifestda607eb6e0efd370da4bf24cd172a54a0bdbf7d67f1f5d4e5dd2a47e3b50d8cd

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
Signature1ThBuVqqlR2HrwifLSMh5qu2QsObNpKg3sJn83MeO8h8go/TWVJaxLkqByoHq8CScx29ONTN5CN6a+t+CYvmBg==
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

2026-09-17T12:09:51.748169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013391
observed 0af2af6c76dfc8ae0a11da7433a9ad9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.728914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013391/manifest.json
observed da607eb6e0efd370da4bf24cd172a54a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.709255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013391/publication.md
observed 310b4532ee139db6248d0d66f1ffd8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.687856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013391/publication.txt
observed 337402b20da43ea569a3939e543b835b...
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.