OpenTechnical

OT-2026-000017557

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000017557) never changes.

Identity and time

Publication numberOT-2026-000017557 · never reused
Internal UUID01a0ae6e-76ca-7165-b1ee-34d8740c23d8 · 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-2026-000017557
StatusPUBLIC

Content hashes

Canonical textc49df4bb5f523416fd8d090f062ecef69d9f66ba0e53afe5657f1636a20415d8
Markdownecc562a5dc37a3e38d78b97bc7cdaf8933477e9028ad6b3e2c129275fdd9e6df
PDF
Publication pageb92df3c95a04911cc4edc477f070d443cec6ba3284a26a68a1f9f9212748e634
Manifestf8a972d7a9557c0d8cf3f53e212074e1336ead7ef66875abfce71013837b7a82

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
SignatureYDyTZfuconny/VcYTP3vR461GAwzorutORa4NcQp24jeY2J1WrkmHAAAfC8xiIphWcNkIVfeWV+8K03/B5YyCg==
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

2026-09-17T12:02:43.532770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017557
observed b92df3c95a04911cc4edc477f070d443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.514111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017557/manifest.json
observed f8a972d7a9557c0d8cf3f53e212074e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.496613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017557/publication.md
observed ecc562a5dc37a3e38d78b97bc7cdaf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.480670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017557/publication.txt
observed c49df4bb5f523416fd8d090f062ecef6...
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.