OpenTechnical

OT-2026-000045181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000045181) never changes.

Identity and time

Publication numberOT-2026-000045181 · never reused
Internal UUID01a0ae7c-f769-7d1f-87d5-5d939fe47093 · 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-2026-000045181
StatusPUBLIC

Content hashes

Canonical textf5451543e9740f2bdb05e08ae8b9a5af5586e69eb30b6b9c291d06ca6247ca64
Markdown2a7318c7838d075bb3be98d552713a7c7589ce977ba673e2041973468d35520d
PDF
Publication pagedc4dd4d4682b5fe93d9c57e22799ebc1e2d86a872c570d2d229266c7a978c896
Manifest3f63edc08735313e7012fb48fd3cc8ad94015c8c8c773e070f72aa7089a3ec15

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
SignatureNmqkuU4P34Q2WLj0k3TY0mFbV7HijqxjMcEdEi0k1O9jJXJv7HMSrzSw3V1fgrO0ITlVI0PMeE8ItbYQx00YDw==
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

2026-09-17T11:10:20.945571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045181
observed dc4dd4d4682b5fe93d9c57e22799ebc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.926784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045181/manifest.json
observed 3f63edc08735313e7012fb48fd3cc8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.906230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045181/publication.md
observed 2a7318c7838d075bb3be98d552713a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.886032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045181/publication.txt
observed f5451543e9740f2bdb05e08ae8b9a5af...
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.