OpenTechnical

OT-2026-000093880

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000093880) never changes.

Identity and time

Publication numberOT-2026-000093880 · never reused
Internal UUID01a0ae9e-92c7-7159-bce9-30cd0ddd10d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093880
StatusPUBLIC

Content hashes

Canonical textd6aba0e12b84c47dbfa75d47a00c0816bcf7762e0bf065f6671c00203a5924bb
Markdown51af3309b5e1827346417387a2cda50a1157d742e55bf04355a443c4b1f8b96c
PDF
Publication pagedafce9acbef4b98f2978e53560fae2966a210c04eed906e7eec6c2dcd54390e5
Manifeste984470ca3570000ee6c9f1b4e07518d140e707fbc6151b54155e0d739bfa015

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
SignatureN6nf3QwztO6ZIZDKQg/0rLETLWUiIuvHFKxhe6UQASMEammu8nWDCsSFjeTG6NuZ+0D9Q0o+NVkdkAc545x6Aw==
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

2026-09-17T09:38:08.445052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093880
observed dafce9acbef4b98f2978e53560fae296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.425553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093880/manifest.json
observed e984470ca3570000ee6c9f1b4e07518d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.404683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093880/publication.md
observed 51af3309b5e1827346417387a2cda50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.387729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093880/publication.txt
observed d6aba0e12b84c47dbfa75d47a00c0816...
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.