OpenTechnical

OT-2026-000075204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075204) never changes.

Identity and time

Publication numberOT-2026-000075204 · never reused
Internal UUID01a0ae93-f200-7cbd-a302-47ec9f64c348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075204
StatusPUBLIC

Content hashes

Canonical text66e88282e42ede3c3c5ad67483ba7e8f009e21fa1871bdffbd867446c8c95085
Markdown3919f1dd33c7f60f4df0916b9b817e9f1acf958213305963bac9d7684c4d7594
PDF
Publication page726d8a26a6e05d502bf21c3bd7bc2b1932fc809619c3daf77c6eeaa74bc7d5ef
Manifestb541dc1aba8bfb517ae2650f49a3f5dbf8a613228dd5f59e0f853a8161d6dd67

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
Signaturesohny3FZyv1T3gqmixYp7fmq/KvhHqfHknRX4qhZI+VVXmdwYKZTuQEvxJIvc+1I0Yo3XTWrvs/OM57S5oobCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:27.762417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204
observed 726d8a26a6e05d502bf21c3bd7bc2b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.741161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/manifest.json
observed b541dc1aba8bfb517ae2650f49a3f5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.720733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/publication.md
observed 3919f1dd33c7f60f4df0916b9b817e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.701893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/publication.txt
observed 66e88282e42ede3c3c5ad67483ba7e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.216069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204
observed 726d8a26a6e05d502bf21c3bd7bc2b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.195998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/manifest.json
observed b541dc1aba8bfb517ae2650f49a3f5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.800151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/publication.md
observed 3919f1dd33c7f60f4df0916b9b817e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.781599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075204/publication.txt
observed 66e88282e42ede3c3c5ad67483ba7e8f...
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.