OpenTechnical

OT-2026-000045458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000045458) never changes.

Identity and time

Publication numberOT-2026-000045458 · never reused
Internal UUID01a0ae7c-f76d-7eca-992a-60762025c47c · 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-2026-000045458
StatusPUBLIC

Content hashes

Canonical text3f11e588284972f455fe6d9beb57ea5553ea4b1e460e34338b2fd3af5dc9d200
Markdown3e24236d5b2bc303422c591d92a0950b636a539dbc0203876217fe532cff5d78
PDF
Publication page14409af60d08dcbbb7d9ae3d2e2088f547bc51e94c282dc1665fe0e38f3ecddd
Manifestd1e045966e02d62669012bba1c22250956eee6d85915983839800a91eea7b8c4

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
SignaturerPH4fqx9//S4mCF0dE9wC6Boq/9YHsXEIQZSu3gutYqO9HVgUqmI80/9D9Y8uhE0+t8BxEJxrlFlnTD7wFgyBw==
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

2026-09-17T11:10:45.822761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045458
observed 14409af60d08dcbbb7d9ae3d2e2088f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.799550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045458/manifest.json
observed d1e045966e02d62669012bba1c222509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.779561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045458/publication.md
observed 3e24236d5b2bc303422c591d92a0950b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.759639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045458/publication.txt
observed 3f11e588284972f455fe6d9beb57ea55...
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.