OpenTechnical

OT-2026-000091563

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000091563) never changes.

Identity and time

Publication numberOT-2026-000091563 · never reused
Internal UUID01a0ae9c-f16e-7342-8d45-14af8ed4a3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091563
StatusPUBLIC

Content hashes

Canonical text1e72045593941b809e8c47115174aff2af4a67c5145257e7a69c6b38b79611be
Markdowne0fada643a43555c7ed236d59d4a08cd39fb32580d3507590bf5297be42991fb
PDF
Publication pagef80b92b668e06b618f3bc8535e005f9be11e5d8a111dc985650c4df67d4aeb77
Manifest2631a4f4fb7579d5412fd5d7188f99226046fb8e3067176f30e07a49e8ed543e

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
SignatureStv/rwQFnNHCsbZ84Wle9FXI9mRKyn8NBXQrJGF5gHcLZrzqoEgPPYU7hlB2paTw6UslVZF9oHHxi+pBRhoiBQ==
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

2026-09-17T09:43:49.996432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091563
observed f80b92b668e06b618f3bc8535e005f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.980465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091563/manifest.json
observed 2631a4f4fb7579d5412fd5d7188f9922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.962861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091563/publication.md
observed e0fada643a43555c7ed236d59d4a08cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.946639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091563/publication.txt
observed 1e72045593941b809e8c47115174aff2...
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.