OpenTechnical

OT-2026-000027626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027626) never changes.

Identity and time

Publication numberOT-2026-000027626 · never reused
Internal UUID01a0ae72-6999-7909-9c23-40f21587a873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027626
StatusPUBLIC

Content hashes

Canonical texta727ac46bc2f8243c74c3419edd6498e9c35064bbc7d25207e3d8ec5ca5fe232
Markdownbc22f5b0ff72271306221f50c8a6eccdae1896fd46f41949652e540fb7ec0f3d
PDF
Publication pagefd666f424f7e45f8d70a0c5161bff207ee5b8de4845f392964f9b8cb38d5bf50
Manifestc91dece77b973e63448b5f05fa68ef650bf34ad8a0758d9e052c1e0133539e3f

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
SignatureZgIk/HkA3q6GoIzGaBF/N/gFZFmm9owQH0TjbAmUzUhLzpJYKJs2k4nP0yIm2xZhEzTJnP2bmMbcyRHXlBCFAg==
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

2026-09-17T11:43:08.858701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027626
observed fd666f424f7e45f8d70a0c5161bff207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.842772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027626/manifest.json
observed c91dece77b973e63448b5f05fa68ef65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.826146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027626/publication.md
observed bc22f5b0ff72271306221f50c8a6eccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.808613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027626/publication.txt
observed a727ac46bc2f8243c74c3419edd6498e...
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.