OpenTechnical

OT-2026-000020467

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000020467) never changes.

Identity and time

Publication numberOT-2026-000020467 · never reused
Internal UUID01a0ae6f-437b-722f-a22b-75572e3acd0c · 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-2026-000020467
StatusPUBLIC

Content hashes

Canonical textf53c419e9407aa5c95cfd7d233835787f3b24075ee7421e69dd2ad5481d44f78
Markdown204717eee118fd8786f40a6a45fe0417291d6b928bc623c06d596f44c68d7a5c
PDF
Publication pagefd7eb937cdd0741e410507c52670228cd4655aa9f53d4795a5bd0306346db2d2
Manifestd69b8c0e709d31c4ced34c654e8a421aac1e051761a2deae91c0d01fd07fe0ef

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
SignatureQkcUAzT9kYm0jG7OYTBw8stRWOTpBxThEwvfwh/hu9jczw7qmOAmfWv8kutjPKWpb2xp+UCtUSLmGPQsGIgEAw==
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

2026-09-17T12:00:24.107212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467
observed fd7eb937cdd0741e410507c52670228c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.089129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/manifest.json
observed d69b8c0e709d31c4ced34c654e8a421a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.070978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/publication.md
observed 204717eee118fd8786f40a6a45fe0417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.051353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/publication.txt
observed f53c419e9407aa5c95cfd7d233835787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.089388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467
observed fd7eb937cdd0741e410507c52670228c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.072654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/manifest.json
observed d69b8c0e709d31c4ced34c654e8a421a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.054894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/publication.md
observed 204717eee118fd8786f40a6a45fe0417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.036993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020467/publication.txt
observed f53c419e9407aa5c95cfd7d233835787...
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.