OpenTechnical

OT-2026-000039873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000039873) never changes.

Identity and time

Publication numberOT-2026-000039873 · never reused
Internal UUID01a0ae78-d8d6-7f1b-b97f-a1d7bc9f0e8a · 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-2026-000039873
StatusPUBLIC

Content hashes

Canonical textbb0b279fe26f54174ca527dd5d59067f448bd5e1debe59187bd4d4b3fbbf4c44
Markdown856aae9366898eeb1fff9db7e79c466bdd58c1be18d70695a199cad17309b105
PDF
Publication paged0b14258272ffbfe2271e4eee3ded3df585540da5fd3e89de40e5fad8e7efc60
Manifestd0c6a207c1055c0780d558dfe92cab4f557264e4169dcb0e8bc3146822a7a696

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
SignatureFfDwdLfvdMJQERrgDjVvn9s3U8AMMgHGKC5C/2+HAdrGcBGVXaAIoPocgJ3Ksq4oilqUTITGupq7Vuxact1fCg==
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

2026-09-17T11:19:33.303545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039873
observed d0b14258272ffbfe2271e4eee3ded3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.284880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039873/manifest.json
observed d0c6a207c1055c0780d558dfe92cab4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.265523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039873/publication.md
observed 856aae9366898eeb1fff9db7e79c466b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.234990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039873/publication.txt
observed bb0b279fe26f54174ca527dd5d59067f...
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.