OpenTechnical

OT-2026-000020784

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000020784) never changes.

Identity and time

Publication numberOT-2026-000020784 · never reused
Internal UUID01a0ae6f-65e3-7289-bf1f-3c6a482af313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020784
StatusPUBLIC

Content hashes

Canonical text9e9c8d3a5a0129bb4d34e243a979b9f4691ebb420cd4aa73882d0c044afff2bc
Markdown88629962279f8164b70da9e18b46c31fc2f8ac061a39b1d42f86657c29282318
PDF
Publication page9ca8a0aa83a4508e7e600fa5c33762fdbaf28f999a0eb188983f1a6f9f1af7ec
Manifest27f3bcf4983479f14d3eb10dcc72123c7e8440db2fa84c15adcc1f39512dc383

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
SignatureaXUpKUs7CagdPTzpJwif6GQZmyj0+h7XNrCH5UkY4uotOkganUgfeGOuYCy9TVTZX+ENWRG/WdS6VkZOzy49Cw==
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

2026-09-17T11:55:51.824698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020784
observed 9ca8a0aa83a4508e7e600fa5c33762fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.809471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020784/manifest.json
observed 27f3bcf4983479f14d3eb10dcc72123c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.792526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020784/publication.md
observed 88629962279f8164b70da9e18b46c31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.773988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020784/publication.txt
observed 9e9c8d3a5a0129bb4d34e243a979b9f4...
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.