OpenTechnical

OT-2026-000074719

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000074719) never changes.

Identity and time

Publication numberOT-2026-000074719 · never reused
Internal UUID01a0ae93-ac2b-7d26-8077-6df37144bf2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074719
StatusPUBLIC

Content hashes

Canonical textefd9f5c8bf1576be88ddbbd7aca6e0488c14730b2356f45776a9623bbbc0d8cb
Markdownea80ab710aae475825c8547391fc18dc36d48efde4cba9afefd082d59af1b0a1
PDF
Publication page690c2309cc48d4a13c0d13eb0ddf0abaa402e92f9f84f0cadf30b0c02e2333c0
Manifest5d0f822ffff28280b766ae302b6739d0a182ec60e887294a133060377e6ec037

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
SignaturermsxN1KPbTxSQFNHgQJTWJ4XnuB5pTPu72CkxIiLnv2ujxEmMordHe/MVRTa12GGJAMkIIFD6TxRGpHz5PsGBA==
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

2026-09-17T10:18:18.967490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074719
observed 690c2309cc48d4a13c0d13eb0ddf0aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.948590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074719/manifest.json
observed 5d0f822ffff28280b766ae302b6739d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.930263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074719/publication.md
observed ea80ab710aae475825c8547391fc18dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.912455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074719/publication.txt
observed efd9f5c8bf1576be88ddbbd7aca6e048...
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.