OpenTechnical

OT-2026-000031002

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000031002) never changes.

Identity and time

Publication numberOT-2026-000031002 · never reused
Internal UUID01a0ae74-3fb7-7eae-9380-e292bbd5654b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031002
StatusPUBLIC

Content hashes

Canonical text4cda3ddff0e38a8e2fd02b65b8ee73eecd10047b7e87a29d7a330bc3af86424d
Markdowne9faf31dd0f508dd9f95a7a8668d3c4c5356096e4296769301affd524356d58c
PDF
Publication page6c112a9fdcd57342c33d2ab061db931193b8096262617d419f57dff5cfa6bbed
Manifested813d9462f0346b3ffd58dbd20e1120d309eab955b47c0499d4d6b050209044

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
SignaturePJM1HBSX0gys12WqPcIS6knZZREH7u2fv7QOAaE9NUcIowdbslFYT39N43yH84u6ADsgCpSEjqjbWsbng0h0Bg==
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

2026-09-17T11:40:05.397733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002
observed 6c112a9fdcd57342c33d2ab061db9311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.377311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/manifest.json
observed ed813d9462f0346b3ffd58dbd20e1120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.356115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/publication.md
observed e9faf31dd0f508dd9f95a7a8668d3c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.338725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/publication.txt
observed 4cda3ddff0e38a8e2fd02b65b8ee73ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.533753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002
observed 6c112a9fdcd57342c33d2ab061db9311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.515513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/manifest.json
observed ed813d9462f0346b3ffd58dbd20e1120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.497005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/publication.md
observed e9faf31dd0f508dd9f95a7a8668d3c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.479909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031002/publication.txt
observed 4cda3ddff0e38a8e2fd02b65b8ee73ee...
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.