OpenTechnical

OT-2026-000037664

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037664) never changes.

Identity and time

Publication numberOT-2026-000037664 · never reused
Internal UUID01a0ae77-b8cf-79e9-816d-456f883e2f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037664
StatusPUBLIC

Content hashes

Canonical text5c98bd95a42320647fc6ad3df045b9032bce8d30fdd51665fea525300f3c920a
Markdown1fc6690e0be89ccd9ebe351c5bfb1b19f121ab9dbe5aac991b33d230ed987470
PDF
Publication pagedacfbd9462c7c23ede9b7ac626d76c4a62cbb7604c705759ab3e7bad27d97d72
Manifest89cc71253b5e9f4b35b1059866c4692ceeca0ee9db9dcee7a713941da9ae9cb7

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
SignatureXyRt2rSgzGbpqixVAErgw5DkPuMnHn2JG5pdw1MpbqvvNUs5Cuz2vZasSIktf3FJ60g9jZ9ZA25aCLrUFp3fDg==
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

2026-09-17T11:24:14.334317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037664
observed dacfbd9462c7c23ede9b7ac626d76c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.317068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037664/manifest.json
observed 89cc71253b5e9f4b35b1059866c4692c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.300776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037664/publication.md
observed 1fc6690e0be89ccd9ebe351c5bfb1b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.283442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037664/publication.txt
observed 5c98bd95a42320647fc6ad3df045b903...
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.