OpenTechnical

OT-2026-000063188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000063188) never changes.

Identity and time

Publication numberOT-2026-000063188 · never reused
Internal UUID01a0ae8c-94ab-7b91-860c-aa10c4f1683a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063188
StatusPUBLIC

Content hashes

Canonical text7f3d1711baf22984d47039d8aecf761bcbed6606a77cb275aa29cac9400d71f5
Markdown884c56f087ed613499156b9fd324bb9e9bd7983ad19582764b7bfdded1d7ff39
PDF
Publication pagefec5f25c914d83044c10fc575b934a8bc9840c7c8bb92ddf730a86f58959d3f3
Manifest7ede910755214694c93601f6c53d5133494fce979c93c60208c7f07d90801896

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
Signaturew8YVTWEWzp+HPGeIdpwEjgOeW84CDuzAUNbODHCJ1eO4kn1fdQrOxqO8AGF24QFwZCGBQtUJM/HGIRDbb3v4Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:59.041491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063188
observed fec5f25c914d83044c10fc575b934a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.023851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063188/manifest.json
observed 7ede910755214694c93601f6c53d5133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.004967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063188/publication.md
observed 884c56f087ed613499156b9fd324bb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.988697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063188/publication.txt
observed 7f3d1711baf22984d47039d8aecf761b...
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.