OpenTechnical

OT-2026-000102943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000102943) never changes.

Identity and time

Publication numberOT-2026-000102943 · never reused
Internal UUID01a0aea4-be3c-7946-aab3-b84343e8df87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102943
StatusPUBLIC

Content hashes

Canonical text8d2c73a8c8aad1ebbf9294416f4e2506be93abc4395d2bae0b251c7990a8e457
Markdown119c81d597f3f6c95798cc8191f7ea89f1ca0c722fa882c6bea607068fe0f45f
PDF
Publication pagec5550a2198b4769724b74789373c8f5d87b254a3dce5c0297d8f39620caccce1
Manifest3976a757b908a6d5a1c063fdc92d56a72dd423dcec80a9d16da20c83b2f11e67

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
Signatureb1vipYN8IKsBw9ifIGrrKSZ+eLthQXXvSgIMlBDWnXOHFMJGIcFG5szD5FmIKpqtQQPvuyxS5h+BKlwK+1xyCg==
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

2026-09-17T09:23:02.916848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102943
observed c5550a2198b4769724b74789373c8f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.899675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102943/manifest.json
observed 3976a757b908a6d5a1c063fdc92d56a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.882844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102943/publication.md
observed 119c81d597f3f6c95798cc8191f7ea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.866739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102943/publication.txt
observed 8d2c73a8c8aad1ebbf9294416f4e2506...
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.