OpenTechnical

OT-2026-000036143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000036143) never changes.

Identity and time

Publication numberOT-2026-000036143 · never reused
Internal UUID01a0ae77-01ce-70bb-a5a5-db077d881c87 · 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-2026-000036143
StatusPUBLIC

Content hashes

Canonical text22bcbeef79dbe848f6b2ae5316f33e694b555d1973a1004e8e7fa16a44c744cf
Markdownb34b6b7eac5f3f99421af932bd346a3affcf746586e7c4df38d0530e5b7a2076
PDF
Publication page62c852a43c5c5105d0ce4f1a230f298199fca14480163c9ebfcebc3b8e0ad986
Manifest93a29c008ecdd98348d653fe78817d62a7b0491adc79c504c61c9ae9be953892

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
SignatureEmx61H16Km7Y13I1UjFbilzIe3UwY+UjEMG6tkLZzsa3fZqtCP+J9aAfoawhl1p7ddk6bGyAwag+XJqeidfcAA==
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

2026-09-17T11:26:20.732156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036143
observed 62c852a43c5c5105d0ce4f1a230f2981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.711757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036143/manifest.json
observed 93a29c008ecdd98348d653fe78817d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.690510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036143/publication.md
observed b34b6b7eac5f3f99421af932bd346a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.670627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036143/publication.txt
observed 22bcbeef79dbe848f6b2ae5316f33e69...
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.