OpenTechnical

OT-2026-000047728

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000047728) never changes.

Identity and time

Publication numberOT-2026-000047728 · never reused
Internal UUID01a0ae7f-c41f-733b-8e5a-41c6379f92df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047728
StatusPUBLIC

Content hashes

Canonical textabca38d8c585ffbc7f9d669bb2c5afa0ab5218bd4f3a25d90e267bc4201b92da
Markdown45fe836308a5bc29f247d9c33789ebc617411c9b31bd042fa3f4bc7157a1cb39
PDF
Publication page82625bbb785f4ff5281e114d19652e09ad1951a71b1b6b4664e8e6b765460f69
Manifest4f15043345269a317c692cdbe107e8cd3e509fdfb6bf6685f9e276df9c23e892

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
SignaturebBJ4hg4oJk4HTZk1SmhRMaKElYYKYEg0GJ7C5LM8/kTcb0JxyRjtKadeCyoXaku8rPJ5b4si18nXm8Vy/dM5AQ==
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

2026-09-17T11:05:36.010571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047728
observed 82625bbb785f4ff5281e114d19652e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.991124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047728/manifest.json
observed 4f15043345269a317c692cdbe107e8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.972413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047728/publication.md
observed 45fe836308a5bc29f247d9c33789ebc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.951259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047728/publication.txt
observed abca38d8c585ffbc7f9d669bb2c5afa0...
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.