OpenTechnical

OT-2026-000050368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000050368) never changes.

Identity and time

Publication numberOT-2026-000050368 · never reused
Internal UUID01a0ae82-5c47-78d3-a395-a879c26d3c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050368
StatusPUBLIC

Content hashes

Canonical textc4fbfc5a645a208463da3673bbf42752fa58dd968a65e169e6cb398e1634d285
Markdown00a4d1ffee204bff6b2a1f7e6e67ccdae75879dcfe07276b7b4e3f4339ab0733
PDF
Publication page4e01f0c883cc3be1cf3d5b1eb128aeb69fc418d25dd11fc25d08f8b7c48684ef
Manifestdc23cf650f4cb8f5ad4ef58b24e9b832785570143978ddaac4a07fcfb36eec19

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
SignaturezQHCHeB4wHJDIDsFlKpWQN3udVH8X7N4wVR+KR+EXOe7SnueinkxOcEGC8wcCSNtNKlbZuNLg5HFQnS3e7g3DA==
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

2026-09-17T11:01:24.116814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050368
observed 4e01f0c883cc3be1cf3d5b1eb128aeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.099882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050368/manifest.json
observed dc23cf650f4cb8f5ad4ef58b24e9b832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.081646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050368/publication.md
observed 00a4d1ffee204bff6b2a1f7e6e67ccda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.064130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050368/publication.txt
observed c4fbfc5a645a208463da3673bbf42752...
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.