OpenTechnical

OT-2026-000031008

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000031008) never changes.

Identity and time

Publication numberOT-2026-000031008 · never reused
Internal UUID01a0ae74-3fb7-798a-bad4-bf5713f53803 · 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-2026-000031008
StatusPUBLIC

Content hashes

Canonical textfd2af4aa8b6db7a9257494ea94d0b29a2b582502b1e3d5aa3b392ebff3e49909
Markdown4cdb45abd82c806f46e30fffc8a1c9173d276eeb85b8b8eb0ebde875e1d9ebab
PDF
Publication page420e8e196feb0c52832be66670bdeec88549b92a5ab9cbc956d5a675a8044beb
Manifest480319e7e1c682c9c03984ddbb0a9f3d1bf7506ab97c91bf7c2d49a8651e3c26

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
Signature7WJW+cSlP73MiHTZ0zirYFVBuOjzOCrXQ/TZJIcXkHVxwIPICITVZfQt9gyNSDGQwbE3g8z7nInN7UhFZfiMBw==
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

2026-09-17T11:40:05.804590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008
observed 420e8e196feb0c52832be66670bdeec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.784558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/manifest.json
observed 480319e7e1c682c9c03984ddbb0a9f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.762705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/publication.md
observed 4cdb45abd82c806f46e30fffc8a1c917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.741791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/publication.txt
observed fd2af4aa8b6db7a9257494ea94d0b29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.895823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008
observed 420e8e196feb0c52832be66670bdeec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.877323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/manifest.json
observed 480319e7e1c682c9c03984ddbb0a9f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.860431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/publication.md
observed 4cdb45abd82c806f46e30fffc8a1c917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.842932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031008/publication.txt
observed fd2af4aa8b6db7a9257494ea94d0b29a...
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.