OpenTechnical

OT-2026-000074434

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074434) never changes.

Identity and time

Publication numberOT-2026-000074434 · never reused
Internal UUID01a0ae93-717a-704c-98b8-328a7e8ad3ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074434
StatusPUBLIC

Content hashes

Canonical text23f7f073defa4acefbfc7f15c1c6111e9bf38f1356365350316c033c4209944d
Markdowne0bc2b8e470dffed4cf0540682ae334b8a82300c5d40831cc216ebb3e87fc28b
PDF
Publication page52dceee5f25dc19938e980e07dc121f7b3d023683e7805e5f7f5ab942e3ea451
Manifestf37197809d83305445c615d1fce31db096197c9b64704fe058d28ac60de96cc5

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
Signature3GTitMCA04VTE3EAJJKM5vccsCNWZeul7iEjpggye/w0Gv/ffw7grvVmEzE0z6fwlFYZPWueKPFCnh2ZD1AcBQ==
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

2026-09-17T10:19:23.144154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074434
observed 52dceee5f25dc19938e980e07dc121f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.124060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074434/manifest.json
observed f37197809d83305445c615d1fce31db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.105127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074434/publication.md
observed e0bc2b8e470dffed4cf0540682ae334b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.083988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074434/publication.txt
observed 23f7f073defa4acefbfc7f15c1c6111e...
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.