OpenTechnical

OT-2026-000039899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000039899) never changes.

Identity and time

Publication numberOT-2026-000039899 · never reused
Internal UUID01a0ae78-d8d6-76bf-8fca-dbea7090aa93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039899
StatusPUBLIC

Content hashes

Canonical textd78e86f5a219a73e2c94f087dbaf90fa572ec03003db1bfb905ea5fb414d860a
Markdownb7e2c8f27ca90192580365950fed6ae266e265d8b1f31226640b10166b3b644b
PDF
Publication page6f9d10e9398dc8aea4149fcdf68a8715e92ada3a52051c36330414ed09eb67e4
Manifesta99c0f729a7d12e36add410584b7a64ac88b7aa7d4f2ab6c989efb6330749988

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
SignatureXCFygaE64ldkCV4QbbrYfxEW0u3khT+F04G0NVOVXG47ZspywIuqxjEY+Um/cK9L13d8WdH+yEBO2R8a7rRKDg==
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

2026-09-17T11:20:11.404605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039899
observed 6f9d10e9398dc8aea4149fcdf68a8715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.387665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039899/manifest.json
observed a99c0f729a7d12e36add410584b7a64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.358437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039899/publication.md
observed b7e2c8f27ca90192580365950fed6ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.327983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039899/publication.txt
observed d78e86f5a219a73e2c94f087dbaf90fa...
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.