OpenTechnical

OT-2026-000049745

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000049745) never changes.

Identity and time

Publication numberOT-2026-000049745 · never reused
Internal UUID01a0ae81-8fef-7143-9e14-72ca4ed729a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049745
StatusPUBLIC

Content hashes

Canonical text5ebac0b651375bcca8e912818fe793b00397413c02c5cbf0c33b767d9aa06d52
Markdownf6f1773fc9f17a871e693d70c9277f66ac2ce28ff09171147d64fc09b80ad840
PDF
Publication pagec5a2f6d42ef61c40045aceb11f014d78f32e8ed14302e2cc5905104078743918
Manifest89673befd90795e564730c6ca0c434554be1a8a7d434812cb16d6b8bbc3e62b3

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
Signaturet9pej/j+UxLBu62xDw+K698koMLwxXavNi/wuJfiWlRJYeoj3RO0/9ctPtjUIrdXxEi9/ZdadHEqrFKcP4WmCw==
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

2026-09-17T11:02:46.395894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049745
observed c5a2f6d42ef61c40045aceb11f014d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.376818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049745/manifest.json
observed 89673befd90795e564730c6ca0c43455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.360624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049745/publication.md
observed f6f1773fc9f17a871e693d70c9277f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.341568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049745/publication.txt
observed 5ebac0b651375bcca8e912818fe793b0...
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.