OpenTechnical

OT-2026-000036208

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000036208) never changes.

Identity and time

Publication numberOT-2026-000036208 · never reused
Internal UUID01a0ae77-01cf-7fd1-ad57-f37ce0a020af · 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-2026-000036208
StatusPUBLIC

Content hashes

Canonical text972c8169e5e3fba24f459f4b6a86ca9d8f057d344fa1957de2c1e8e0ef36de57
Markdownefbdaed25e7d314c575c4832485df330aa8072ff5ee6b34b7631d800ba5fa076
PDF
Publication pagedf01d28e1c82b181f6d2c796fef86bcbfabd7cbb36d66f4a810d820bc8903c42
Manifestcd5ba3b4501c8b06b6e9cccd621a9ec696084ffb182e61e66b5eb7ddc086ff4f

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
Signature7NhtGPnrrmE1nKH5iS6sjNW+c8+zrEKM7hizMe5O9fr4qnjXjcvVtapqshvozXVtx+FUWyUFe/87uRRUXiV7DQ==
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

2026-09-17T11:26:26.958174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036208
observed df01d28e1c82b181f6d2c796fef86bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.940941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036208/manifest.json
observed cd5ba3b4501c8b06b6e9cccd621a9ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.922905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036208/publication.md
observed efbdaed25e7d314c575c4832485df330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.904237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036208/publication.txt
observed 972c8169e5e3fba24f459f4b6a86ca9d...
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.