OpenTechnical

OT-2026-000042349

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042349) never changes.

Identity and time

Publication numberOT-2026-000042349 · never reused
Internal UUID01a0ae7a-5d74-7b95-8f94-2cee320cb73f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042349
StatusPUBLIC

Content hashes

Canonical text0ae4bbf227252434914b1f1be62e7d70ea7200b2d2fa95ff537d253f36e0e4b3
Markdown15fd382fd4133a5bd0d17a70bd6368074314c20da755d2690494c15438b7f1d7
PDF
Publication page063515fb7f9d94c86a9c9ca29aeee057cf1e04958ed08d1c234fd5d0ebc0179e
Manifesta8d0c9dcefc77e80b50bf5508e1f05ba7967532046a4524a21a33480dcdfd1d6

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
SignaturexaprcmkIuRvUfPArZs0AX/tRlJf6fD65viEq6LRuKegm32ECSnv5raMIET84edOedIDDKcZ+xc5eGoidnqgcAA==
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

2026-09-17T11:16:03.568832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042349
observed 063515fb7f9d94c86a9c9ca29aeee057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.552085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042349/manifest.json
observed a8d0c9dcefc77e80b50bf5508e1f05ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.532399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042349/publication.md
observed 15fd382fd4133a5bd0d17a70bd636807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.510987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042349/publication.txt
observed 0ae4bbf227252434914b1f1be62e7d70...
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.