OpenTechnical

OT-2026-000005096

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, ejector fed, contact triggered

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-2026-000005096) never changes.

Identity and time

Publication numberOT-2026-000005096 · never reused
Internal UUID01a0a92d-ba52-7dd7-9d5d-2bb9fc2889e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:41.461570Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005096
StatusPUBLIC

Content hashes

Canonical text52fd95c26847c296e7f26b064c83ff1f284c890dae39aad9682ac4630b982c1a
Markdown16e9174307649ebb62c8d239c3406c0cd48ac5b8a01e35a659f553f8f810d97c
PDF
Publication pageda480623d74127a341ee8cce8f7deb0e42cb808480265e913022347c2e514790
Manifesta7609a903fea819527b17f36b93001e85ce07121bb6729b8c9fa408b27dca3c1

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
SignatureTT+zMXWx6+bg3nDNIutSCABJ0qOxCo0iaFixbO7dh7S9vjxvX2XqbTtE+ep8LgnqaWRkA7ugI0lzMw80ogDGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T08:45:22.143981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096
observed da480623d74127a341ee8cce8f7deb0e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:21.878197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/manifest.json
observed a7609a903fea819527b17f36b93001e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:21.408328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/publication.md
observed 16e9174307649ebb62c8d239c3406c0c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:21.138955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/publication.txt
observed 52fd95c26847c296e7f26b064c83ff1f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.959736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096
observed da480623d74127a341ee8cce8f7deb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.946816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/manifest.json
observed a7609a903fea819527b17f36b93001e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.932240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/publication.md
observed 16e9174307649ebb62c8d239c3406c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.914960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005096/publication.txt
observed 52fd95c26847c296e7f26b064c83ff1f...
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.