OpenTechnical

OT-2026-000047374

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000047374) never changes.

Identity and time

Publication numberOT-2026-000047374 · never reused
Internal UUID01a0ae7f-3e57-71ac-a5da-bbe4f04f4836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047374
StatusPUBLIC

Content hashes

Canonical textb3d3b1c131e8c8c83cfac3de71adce2de18005adf319e682ea1c8678c574be7a
Markdownea8eb30e705a5b4fffa89f081ba018f1f2f85884ed932935b48148effa14b455
PDF
Publication pagec3faea910bf4e3e4d176a21aab887e28ac9665a74b872411c22fc994e4eb3a60
Manifestbb89f24fae858c16f285d65500695bb8d4f6d4924b81a97b99a09642dd682391

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
SignatureZxXOLx4W5StuCnZ45fqgTw4PfjjXpFeeA55gu5o3kZntwKsjTrwXM/tlx1Otwp4gxzIBp053376pb0+mLK/RBA==
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

2026-09-17T11:06:22.741643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047374
observed c3faea910bf4e3e4d176a21aab887e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.724908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047374/manifest.json
observed bb89f24fae858c16f285d65500695bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.706082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047374/publication.md
observed ea8eb30e705a5b4fffa89f081ba018f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.688905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047374/publication.txt
observed b3d3b1c131e8c8c83cfac3de71adce2d...
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.