OpenTechnical

OT-2026-000026223

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000026223) never changes.

Identity and time

Publication numberOT-2026-000026223 · never reused
Internal UUID01a0ae71-a841-799e-9b5b-f9e21c8eb600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026223
StatusPUBLIC

Content hashes

Canonical text0aaa8c1e6aec3c867f774e921f9867dbab00320a761a732225c2e20c596ed1c0
Markdown08103884c4771b79ed284a398dc293f752d1cceff5616498fed911159fa90ac8
PDF
Publication pagefd2713f45bf1a0cf67857c6c377bdc5aeba485d053985ac93c985ca570b5451b
Manifest23ba2dd5ef74be1ce24cd6725b04c3299621e8a4ec28d86f33c91f9300d8ac68

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
SignatureQYCcmbTKZh5u6ocYMr9PhB7Emsv/WSqx6MDi3X5chEhLPr9lTSEi2/7Eo+74MLpShjVL/OmMaVbEM7fu79l8BQ==
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

2026-09-17T11:46:24.940592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026223
observed fd2713f45bf1a0cf67857c6c377bdc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.924325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026223/manifest.json
observed 23ba2dd5ef74be1ce24cd6725b04c329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.908032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026223/publication.md
observed 08103884c4771b79ed284a398dc293f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.885789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026223/publication.txt
observed 0aaa8c1e6aec3c867f774e921f9867db...
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.