OpenTechnical

OT-2026-000048868

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048868) never changes.

Identity and time

Publication numberOT-2026-000048868 · never reused
Internal UUID01a0ae81-134a-7f03-97f6-772e5368b0ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048868
StatusPUBLIC

Content hashes

Canonical text6842039b5165a37f8367e7e39eea96f985ed5966e3f1fc99351408cbf5e9ddb2
Markdown7c020c5e52bb1364020615856889c8090a45395155086e05d81572ce297ee790
PDF
Publication page8e320e7030068a9fed39a25fb8217dc39f7091d90c136f481900974f24a9d20e
Manifest7eee56705a79da533edfc88cdd580520cae1875ce1c7a5ac4d15a9d6ce5b1e61

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
SignaturequXq6J3YJbZfrf2RYeJPX+BAKTSsgLUu0paXyTws9AeZanhHwmcfOWwrkMAx5giBzJfa3E0kSIJ+fXWM6FwtBg==
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

2026-09-17T11:03:01.228363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048868
observed 8e320e7030068a9fed39a25fb8217dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.209258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048868/manifest.json
observed 7eee56705a79da533edfc88cdd580520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.191886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048868/publication.md
observed 7c020c5e52bb1364020615856889c809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.170742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048868/publication.txt
observed 6842039b5165a37f8367e7e39eea96f9...
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.