OpenTechnical

OT-2026-000040931

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000040931) never changes.

Identity and time

Publication numberOT-2026-000040931 · never reused
Internal UUID01a0ae79-6d10-7ed7-ad78-b5b542d07ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040931
StatusPUBLIC

Content hashes

Canonical text43c83255647de218dfa8ce7c9b41fa43b6964ffccb075d891421e058574bedbf
Markdown9ff51bff178df66ef6cca0ef4c86af3a5f53c5775e878d84d7c51d90b313fc6d
PDF
Publication page3666eaf82b7854801b97e3397426424f9c590d59aa6b932228a20128fe93a349
Manifestcd71862431885f1a1e6553e0bc26019dc72a03072ed4a7c3a04e3ae1400a4760

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
SignaturecktipgFuecVL3Y0LfiPU1MN1QwbagxAHWw0TmzlEgOg2+0CD08RT+Q8T5s4cIoqGZz+vQ0Vw+OAVN9JL7OGoAw==
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

2026-09-17T11:20:19.564599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931
observed 3666eaf82b7854801b97e3397426424f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.547544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/manifest.json
observed cd71862431885f1a1e6553e0bc26019d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.530300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/publication.md
observed 9ff51bff178df66ef6cca0ef4c86af3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.505608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/publication.txt
observed 43c83255647de218dfa8ce7c9b41fa43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.468020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931
observed 3666eaf82b7854801b97e3397426424f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.450695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/manifest.json
observed cd71862431885f1a1e6553e0bc26019d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.432800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/publication.md
observed 9ff51bff178df66ef6cca0ef4c86af3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.416162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040931/publication.txt
observed 43c83255647de218dfa8ce7c9b41fa43...
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.