OpenTechnical

OT-2026-000098572

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

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-2026-000098572) never changes.

Identity and time

Publication numberOT-2026-000098572 · never reused
Internal UUID01a0aea2-42ac-753f-bd2d-7af2b3853aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098572
StatusPUBLIC

Content hashes

Canonical text400932e7e9f108e8f3b92c2a93bbce991cb2c2cb0e897d88fb219912fb8f80fd
Markdown762dbee6f4c9a3c30120c47d64eea1be8ff7cc680e77707837acf3c1d96f8fe3
PDF
Publication pagef86cc83333685199ec4a4ce44e29ec53eed639af7cc0006a6c7b55ebfe7b2118
Manifest6c4ff79cebd326e49e468d69bdbfcb76de96728a6a0fea713a3407ba1cde3d20

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
SignatureT4VquBcjOp+E8jFosdoLEn4Qb2akgqFwE6P+N64fZlcUEDiwYed3d7oKrEDBprDMLs0OmnoSUihddHYSLQGWCA==
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

2026-09-17T09:30:50.133816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098572
observed f86cc83333685199ec4a4ce44e29ec53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.115250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098572/manifest.json
observed 6c4ff79cebd326e49e468d69bdbfcb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.096874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098572/publication.md
observed 762dbee6f4c9a3c30120c47d64eea1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.078489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098572/publication.txt
observed 400932e7e9f108e8f3b92c2a93bbce99...
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.