OpenTechnical

OT-2026-000017629

Publication integrity record

Three cup vacuum gripper, three 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-2026-000017629) never changes.

Identity and time

Publication numberOT-2026-000017629 · never reused
Internal UUID01a0ae6e-96f9-79b5-a80b-9c5f5383d520 · 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-2026-000017629
StatusPUBLIC

Content hashes

Canonical text654bbe053827515de3d53e4b48b1363b5037e4ca5a4e72dbba24b6824ae19349
Markdown98739c9bed4a989bde34c35103c4a0980a02e7bcb44b6e72f142530e94bd1804
PDF
Publication page1dbfb81b5cdc7c2a3c250daec82cc7431d37cd367e5436b75ed92b9692af5d95
Manifestd8807f93a9ba799ba0d8a6ce2c964a51c9e3f9ce4f350357e332cd2f979d35f1

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
SignaturehtHl1ZQ5DZHCGBEsT4C4qiqTFJijSoMTMZsDUg2juFzHI27dw1G6HLaC4t3YAsx8i5l6S6rJuF3LqUwGP1ClBg==
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

2026-09-17T12:01:26.434733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017629
observed 1dbfb81b5cdc7c2a3c250daec82cc743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.417352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017629/manifest.json
observed d8807f93a9ba799ba0d8a6ce2c964a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.399477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017629/publication.md
observed 98739c9bed4a989bde34c35103c4a098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.381281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017629/publication.txt
observed 654bbe053827515de3d53e4b48b1363b...
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.