OpenTechnical

OT-2026-000045257

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000045257) never changes.

Identity and time

Publication numberOT-2026-000045257 · never reused
Internal UUID01a0ae7c-f76a-7843-846d-ff18ff272c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045257
StatusPUBLIC

Content hashes

Canonical textae8a86cb50c7a3a60853b211221fc04283f011079439294b54a2869937a14796
Markdownf9937358b24033745918a0a0b77ba3dbf6f7cb0b4d292d137d62c1cbbdab76a9
PDF
Publication page3fbf78e4aeb288d6bab09c53408fbf13deb4a6bbd3579cc322477e4af2e548a8
Manifest48722575f530d45dd03d82d54b64eafdf63dd91e26a7948cc54278dfacadac2b

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
SignatureGmMezRpA9+yeGmho3QjHrlh+HgoCxWMBp5RzXJtZ0HQnIjqsWJYlNLRyjYegpu8BErqw9PnfaSTLmZ48nbp9Cg==
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

2026-09-17T11:10:27.806597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045257
observed 3fbf78e4aeb288d6bab09c53408fbf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.785890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045257/manifest.json
observed 48722575f530d45dd03d82d54b64eafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.767437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045257/publication.md
observed f9937358b24033745918a0a0b77ba3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.748407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045257/publication.txt
observed ae8a86cb50c7a3a60853b211221fc042...
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.