OpenTechnical

OT-2026-000025529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000025529) never changes.

Identity and time

Publication numberOT-2026-000025529 · never reused
Internal UUID01a0ae71-5fa8-77de-b81f-1c5d786463c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025529
StatusPUBLIC

Content hashes

Canonical text91fa764b24d169655fd35169c69d4f41c8072af3588605d42f1c65c88c097d7d
Markdown285246b9cfa1389a80e52ced73680c79e2f71dd0105a6f93ed8c6233d318ddee
PDF
Publication page633e325c92cce6eef79a0f785d8b8d5d600858cceabbe6d12e65e9243ab42665
Manifest5bd9dcb1a6bd93458a23083f1efc90ff908a76f2019c66146f6399cb22bea4a9

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
Signature/OC2C0KtFLWJdbmtuSkSOx4T1b1Io9gptgSZs/Ca4rhRKMgaHe0ST3qjO8j2iosTC0WjJcIfqc/2YdDoWFtACw==
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

2026-09-17T11:47:40.377158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025529
observed 633e325c92cce6eef79a0f785d8b8d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.359466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025529/manifest.json
observed 5bd9dcb1a6bd93458a23083f1efc90ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.343224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025529/publication.md
observed 285246b9cfa1389a80e52ced73680c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.325879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025529/publication.txt
observed 91fa764b24d169655fd35169c69d4f41...
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.