OpenTechnical

OT-2026-000020564

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000020564) never changes.

Identity and time

Publication numberOT-2026-000020564 · never reused
Internal UUID01a0ae6f-437c-7884-9cb8-98f400476e5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020564
StatusPUBLIC

Content hashes

Canonical text53a087ffd9053fcc0036b15683d9c4e337e880858e8fd0657d0cf489bec65ea9
Markdownb8c4d87ebe251cd6fd300bb34ebb8339b82845dd66ba5a20e313cd05a9ab16e6
PDF
Publication page005fff09f50370e86a20ec563bec51e82fcd92a103b967e9fcf50aef8f3b15d3
Manifest49a7d739a353f37cd57164485f2b106e39704e083b5d83c5b34c1796b362737c

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
Signaturek6e8JLAHgT+31V8x0PzTVb+hwJAOB7dTS5ofYj/HpdhOhxclBhQ5eQ+PXgwAOZAXxLX7ozjQKiSS5AZOvAb7AQ==
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

2026-09-17T12:00:40.873133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564
observed 005fff09f50370e86a20ec563bec51e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.851491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/manifest.json
observed 49a7d739a353f37cd57164485f2b106e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.830831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/publication.md
observed b8c4d87ebe251cd6fd300bb34ebb8339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.810394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/publication.txt
observed 53a087ffd9053fcc0036b15683d9c4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.920913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564
observed 005fff09f50370e86a20ec563bec51e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.901962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/manifest.json
observed 49a7d739a353f37cd57164485f2b106e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.883340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/publication.md
observed b8c4d87ebe251cd6fd300bb34ebb8339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.862226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020564/publication.txt
observed 53a087ffd9053fcc0036b15683d9c4e3...
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.