OpenTechnical

OT-2026-000069244

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000069244) never changes.

Identity and time

Publication numberOT-2026-000069244 · never reused
Internal UUID01a0ae90-b528-731c-ae77-b7cddb99f335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069244
StatusPUBLIC

Content hashes

Canonical text6173c90d5b6013115236284170073fa92376985856a632502d0ae086c29016aa
Markdownb754df7efb3173456d39a8a8a63d2d0e3ac2e449a5db968f2c69cb1d0c60c78d
PDF
Publication pagefdbe03ab0b182ec8c8bb04ff2bb6ff0ce7884701a9da5851d5c08cc72d870f8d
Manifesteef59540ec492cf07de3ae8c463b850db3e66e0d6ae9b980d3d2475064c1e651

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
SignatureFQD+QLi0i4kOJ5eX7bRPOAcBRy2W+5zFrSq3NhU4eOC3Kht2WZmekp9xNTAQIRmmQGN0xx3ElCumCn+TJJDKAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:18.905159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069244
observed fdbe03ab0b182ec8c8bb04ff2bb6ff0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.887875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069244/manifest.json
observed eef59540ec492cf07de3ae8c463b850d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.870638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069244/publication.md
observed b754df7efb3173456d39a8a8a63d2d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.852216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069244/publication.txt
observed 6173c90d5b6013115236284170073fa9...
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.