OpenTechnical

OT-2026-000037247

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000037247) never changes.

Identity and time

Publication numberOT-2026-000037247 · never reused
Internal UUID01a0ae77-7741-70ae-981a-0d7e0a347a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037247
StatusPUBLIC

Content hashes

Canonical textb91e7b48ded29002b8b8d5ac52c1d32c69a2b2c5cb57fd75ef831512cf709fd7
Markdown7a23b9fdd1e37b06c184f089b8ac0ecd159959b5a50f145f3153d8280ec00b97
PDF
Publication page05a8764841ea28a2a41eec87a19105fa1fcca5375732400248304ef8dbd86ce8
Manifest4e88e8a519c97f6bbcc60bda95840d302d873db2a86f0c3c65f7ac0e1a6a41cd

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
SignaturedonXIBUYvBie8sPlgFc6FKjt8oSOuB00NCj2n4hOkOfQ6rpHtS0u8o0PQj2AqEuTmb5MAeoC8B+XiE+THqL+Bw==
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

2026-09-17T11:25:08.819075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037247
observed 05a8764841ea28a2a41eec87a19105fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.802819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037247/manifest.json
observed 4e88e8a519c97f6bbcc60bda95840d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.786525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037247/publication.md
observed 7a23b9fdd1e37b06c184f089b8ac0ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.768386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037247/publication.txt
observed b91e7b48ded29002b8b8d5ac52c1d32c...
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.