OpenTechnical

OT-2026-000097780

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000097780) never changes.

Identity and time

Publication numberOT-2026-000097780 · never reused
Internal UUID01a0aea1-92f5-7df0-a943-9600ef2645d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097780
StatusPUBLIC

Content hashes

Canonical text0a605e56937b930fa75d32dd3a1444cbc973a703df40a24c60c0f3adf8f8f497
Markdown4dc64e12b953bfd3ca2b9677cab48b46a89c9bfc8a42a61581faca87b34d1e77
PDF
Publication pagee729a55a42c3273595e4db4145d9ed5f3155a8b55860292f3b08d0701800e3c7
Manifest0e84e06fa2e32e81bb25d2759e3ba79469897fc28ebee277050b01e47f6bdd10

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
Signatureu1ZTAwJB2hbPneNLxP+CqBGXxfhB5DJ4TuWZyN5FWWZJxX/jIuEcfraCU69mJ8ve1r2jjZQTO7zh6xo23+QrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:51.499793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097780
observed e729a55a42c3273595e4db4145d9ed5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.481616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097780/manifest.json
observed 0e84e06fa2e32e81bb25d2759e3ba794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.463727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097780/publication.md
observed 4dc64e12b953bfd3ca2b9677cab48b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.442219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097780/publication.txt
observed 0a605e56937b930fa75d32dd3a1444cb...
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.