OpenTechnical

OT-2026-000043569

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000043569) never changes.

Identity and time

Publication numberOT-2026-000043569 · never reused
Internal UUID01a0ae7b-92cf-79e5-9400-551ae9a4d783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043569
StatusPUBLIC

Content hashes

Canonical textccefedfe5afda85e6a643ba94ec27d6b3c6324905b59fadefe0c156ac739efbe
Markdown39a4511446fe7f0446bb4259fbf16727a33d2c2bbe08250a75acde9715b9b42b
PDF
Publication page95adb1dd1f913f060de7e53f3673b35269d2366c21d7b913a13a58e150dbcd2d
Manifestdc3740d4d9766e0a9eddf7a3ce50323d0db0ad2c0e9508d432a288211763aa88

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
SignaturecVfXZJfGYQnOXs17UR+4WCRM0MywtbwmZ31uDw/2PT4Z0LD6AT/Gny8d2wYa3d4gXse8HsCI0/EgoCy1uS/VCw==
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

2026-09-17T11:12:57.861114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043569
observed 95adb1dd1f913f060de7e53f3673b352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.841747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043569/manifest.json
observed dc3740d4d9766e0a9eddf7a3ce50323d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.806241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043569/publication.md
observed 39a4511446fe7f0446bb4259fbf16727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.771485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043569/publication.txt
observed ccefedfe5afda85e6a643ba94ec27d6b...
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.