OpenTechnical

OT-2026-000021387

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000021387) never changes.

Identity and time

Publication numberOT-2026-000021387 · never reused
Internal UUID01a0ae6f-865d-72f0-9400-f7eae6df92b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021387
StatusPUBLIC

Content hashes

Canonical text7eee11e7c8a7e85e3682bd34830112ebc0261fce1bdc6d4257202d544d8321b9
Markdown55545f40f4f0d9a3f692c35b35387629c1f78550442f0603253de42825bb6727
PDF
Publication page6f41711321f17a0fd672eb2b2e6070db93926c76cd04f75c32f1f32939353deb
Manifest02e9682ab82aa754e8008fe608e66fdd9ee6a153d4fae67e2762ba312fea58f2

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
Signature8Mg962uvBB7vIZK7Jzu4J2aQi8VcPvHBnwbxDb6SP1/984udjCoiw/GD2JjiO6SmYZN2Y9sfX88K+x8+zjGeBg==
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

2026-09-17T11:55:16.201488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021387
observed 6f41711321f17a0fd672eb2b2e6070db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.176413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021387/manifest.json
observed 02e9682ab82aa754e8008fe608e66fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.150828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021387/publication.md
observed 55545f40f4f0d9a3f692c35b35387629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.104499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021387/publication.txt
observed 7eee11e7c8a7e85e3682bd34830112eb...
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.