OpenTechnical

OT-2026-000051234

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000051234) never changes.

Identity and time

Publication numberOT-2026-000051234 · never reused
Internal UUID01a0ae83-273f-7bda-b245-83b52fdc585c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051234
StatusPUBLIC

Content hashes

Canonical text19ff0ce2bd0e63c375ca9d435e7868299f36dde0723980496ed47ca9c1756449
Markdown5249ef0810435960508320a2ea9c0615aac7dae3d8107cb58e94e76180a7a962
PDF
Publication page2dfb49867939908d102fa6a4c114bdebeee3b151a063534f408ddb3db1863bb2
Manifest770097769033b357c2c6b8b0a721b4d3e14ad4c33006744a7a852cf83191b591

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
Signature7Dl9FYxgtirGeo3VwAwAzariOgN5XSD6p1h2qhLG/z2KoFxsfc9/458qy3GV2eGtn4dQcYOQhh0GfUGKw04bDw==
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

2026-09-17T10:59:01.594279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051234
observed 2dfb49867939908d102fa6a4c114bdeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:01.574201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051234/manifest.json
observed 770097769033b357c2c6b8b0a721b4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:01.558740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051234/publication.md
observed 5249ef0810435960508320a2ea9c0615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:01.541830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051234/publication.txt
observed 19ff0ce2bd0e63c375ca9d435e786829...
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.