OpenTechnical

OT-2026-000017640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000017640) never changes.

Identity and time

Publication numberOT-2026-000017640 · never reused
Internal UUID01a0ae6e-96f9-7e00-8046-e687887872ae · 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-2026-000017640
StatusPUBLIC

Content hashes

Canonical text99841de099790fd101554d2a39798185ee6b76cad382bf32c87f9475f0afa6cf
Markdownc51d85bfa4a38dff2697758a761dbf04ff5cc9d8a80840af885c91da6da05caa
PDF
Publication pagec5cfaa6f0319a652f660d6a7bb88abe26a1fce4f5a8124141b7c857f4100b9e8
Manifest49ae02acdcbf5cbe7c2a06cd0b4f4026a7d9e1066ee5c34129ee8379f8240b3c

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
SignatureHuuU1jnUIri5Q2a1GjJ/PJ90mBp7VKHrl5EVh3A13+nQSev0z56/A24g7aYUkq3gd3GMrw7pnGJkYRGpKcQ7Bg==
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

2026-09-17T12:01:27.296182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017640
observed c5cfaa6f0319a652f660d6a7bb88abe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.279455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017640/manifest.json
observed 49ae02acdcbf5cbe7c2a06cd0b4f4026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.262831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017640/publication.md
observed c51d85bfa4a38dff2697758a761dbf04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.243965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017640/publication.txt
observed 99841de099790fd101554d2a39798185...
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.