OpenTechnical

OT-2026-000062055

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000062055) never changes.

Identity and time

Publication numberOT-2026-000062055 · never reused
Internal UUID01a0ae8b-b8af-7ac6-a922-8efedfce6177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062055
StatusPUBLIC

Content hashes

Canonical textd1c93fb3a57202c6b39d7ffb119b8a6f00c432ea9ac250f644c956e6314c161c
Markdownd2951b6a3d8515bf93016727b1356229ec327f732bb1800ecd38439321f64287
PDF
Publication page43219f78686490f0123289eda2f2ed0c8502a8fc9dc57795758615aa6b41c662
Manifest683196d6d4163a0bf047541e97a6573fb8b9759e09e9667bce3395fbdc218081

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
Signature5t14XGB4UbmMQE9LIFEAweNinEwrSoTTD7CKc2+bSI90XQ+YImMRUG9frf3fTLd0UDnJxsKYxGcgceIV9k5+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:05.926988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062055
observed 43219f78686490f0123289eda2f2ed0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.909766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062055/manifest.json
observed 683196d6d4163a0bf047541e97a6573f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.891890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062055/publication.md
observed d2951b6a3d8515bf93016727b1356229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.873244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062055/publication.txt
observed d1c93fb3a57202c6b39d7ffb119b8a6f...
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.