OpenTechnical

OT-2026-000066472

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-2026-000066472) never changes.

Identity and time

Publication numberOT-2026-000066472 · never reused
Internal UUID01a0ae8e-ce40-78dc-a00a-9d451947f500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066472
StatusPUBLIC

Content hashes

Canonical texte5ceb1f15205c76a682bedda25f2dda02bee3f1e359e933e264313458b08a2fa
Markdowncab6eeb95341b2c6a6b4661fc10879a4bb42af2c0c0f101e4c7cc55e5ec0c577
PDF
Publication pagea7d393010e7ea291cf054fd294410169182132d20e129f5f8396c53cd63c26de
Manifest60bdb6bed5310cac59c25f4c4c60e5a1abe65b2428521f4a0f86d925b1dad924

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
Signature7StCkrVq3DhiZ7cBGkFstd1ZcVKrhTA1fLVcCzCUieuXj66sEJ6aCprGbCH89w1eds6FGQqafWHIumQ1C+FnDQ==
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

2026-09-17T10:32:43.452069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066472
observed a7d393010e7ea291cf054fd294410169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.433651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066472/manifest.json
observed 60bdb6bed5310cac59c25f4c4c60e5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.416531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066472/publication.md
observed cab6eeb95341b2c6a6b4661fc10879a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.400242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066472/publication.txt
observed e5ceb1f15205c76a682bedda25f2dda0...
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.