OpenTechnical

OT-2026-000017184

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000017184) never changes.

Identity and time

Publication numberOT-2026-000017184 · never reused
Internal UUID01a0ae6e-76c7-7835-8c99-8c044d9270f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017184
StatusPUBLIC

Content hashes

Canonical text2eafa4cd31af193da7537de565b126fc5e7f554ecec6084b8b9b6cb8f51b2ee5
Markdown8f1577108d62efa35fe962cb5092cfe57f9f4e0d52ce6d049f3c08a2e84e4288
PDF
Publication pageafa8851b647c560ab8e02bc521f43ff443f39301d1c795d70651f3a946f105c9
Manifest278534d6d5d6255cd3753a2788eedf1058e57c29bb5693a5c506b13be5236059

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
Signature28LgN6ww6cJZMv37hNwar6T27FXq99bI+8IgXtnEW/MkVS6NA68joUyOMbI8c/L3MXikyBFOMBMgAplzNLOOCA==
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

2026-09-17T12:02:15.265618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017184
observed afa8851b647c560ab8e02bc521f43ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.249020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017184/manifest.json
observed 278534d6d5d6255cd3753a2788eedf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.230832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017184/publication.md
observed 8f1577108d62efa35fe962cb5092cfe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.212543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017184/publication.txt
observed 2eafa4cd31af193da7537de565b126fc...
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.