OpenTechnical

OT-2026-000102159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000102159) never changes.

Identity and time

Publication numberOT-2026-000102159 · never reused
Internal UUID01a0aea4-50f2-7e7f-82da-d18868ef1cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102159
StatusPUBLIC

Content hashes

Canonical text1256d4b94b927b941c5ff6bc99c8222b943e748a829e92a6c8b1b50d97e54e11
Markdown9422241e5f7b08d222db249e7dd506559cf1938ee8238d21f24488bc747ed775
PDF
Publication page984f61a278433619a7a8e3cf8c3bb3df1cf4e9dbd4a2e1597745573817218c04
Manifest1ba2b476b5cfd866234591611e91576b6357dcf32a3ce4943d10596f006a2036

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
SignatureON7w+/DV9ks0/KnVl0PlUZ8tUUF/uY1n3994MFFrLMBVkocMAC8wcIiBmpuRWg+huyjaH5FTN8PJ+oQLqhrCDw==
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

2026-09-17T09:25:19.624799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102159
observed 984f61a278433619a7a8e3cf8c3bb3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.605519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102159/manifest.json
observed 1ba2b476b5cfd866234591611e91576b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.586350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102159/publication.md
observed 9422241e5f7b08d222db249e7dd50655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.568859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102159/publication.txt
observed 1256d4b94b927b941c5ff6bc99c8222b...
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.