OpenTechnical

OT-2026-000017834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000017834) never changes.

Identity and time

Publication numberOT-2026-000017834 · never reused
Internal UUID01a0ae6e-96fb-70ce-9217-c81960bdb5d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017834
StatusPUBLIC

Content hashes

Canonical textc3b1a39d83964594fde7ac16322c00cbca02ca1ba3043f2c68642c84e38580a2
Markdown9062d7239086691d8d8e07fffc7c3c0f5fd8653aa83e94062b4a4ba7443b542e
PDF
Publication page958ee95a98e9f5622a413eb4d1f38d4f9a00c9696de80125354533672177c754
Manifestd187c41846ad1551fdef774eb6742c03a29675d042e03b2fbc439cbbf0821a6d

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
Signatureif6yr/TBUx7GS3MWtn7jwaaB06VUJcjesgZhtqJF4nD7vaFT5FBRsk66zSoQAqx/QrlJdzh/RnD6HMSlkWpuBw==
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

2026-09-17T12:01:48.630781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017834
observed 958ee95a98e9f5622a413eb4d1f38d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.615546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017834/manifest.json
observed d187c41846ad1551fdef774eb6742c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.598315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017834/publication.md
observed 9062d7239086691d8d8e07fffc7c3c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.582379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017834/publication.txt
observed c3b1a39d83964594fde7ac16322c00cb...
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.