OpenTechnical

OT-2026-000036437

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000036437) never changes.

Identity and time

Publication numberOT-2026-000036437 · never reused
Internal UUID01a0ae77-01d1-7bbe-a567-f49a2f3ae1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036437
StatusPUBLIC

Content hashes

Canonical text4aa3cd39946d8fff00bfaaefd0b92c02fcc3037b0af6944dc28933083ea53867
Markdownbb870c386e3fa2f6684193f8e05f4193bd97a6adb86ccb07e485eea922218558
PDF
Publication pagee05a1ff7c16fed012695dafcbf98d398866d0107b0c15085b8bffafa904791df
Manifest48802f008301b41db4c482044cd3900f85e219a9802f46f7cef79245db5964c3

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
SignatureK5FUgYLdnFe/Y23/mEknGKtRl1bdCXP4Gz7thyDpbeo1AjXJFURvLtywr0lJbab+Ksy/YeJqF2lsXvgiAsaqBg==
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

2026-09-17T11:26:49.975213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036437
observed e05a1ff7c16fed012695dafcbf98d398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.956705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036437/manifest.json
observed 48802f008301b41db4c482044cd3900f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.938826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036437/publication.md
observed bb870c386e3fa2f6684193f8e05f4193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.921034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036437/publication.txt
observed 4aa3cd39946d8fff00bfaaefd0b92c02...
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.