OpenTechnical

OT-2026-000098732

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000098732) never changes.

Identity and time

Publication numberOT-2026-000098732 · never reused
Internal UUID01a0aea2-42ae-72ed-9df1-bb6ff100af3a · 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-2026-000098732
StatusPUBLIC

Content hashes

Canonical texta4d9601573a29c131e26dcf2aaec8ef09cbcc08733c90fcdad16abf53e11c578
Markdownf11fde6f74c6dbcfde8d8d4acfe872a652ae8fe62a99feb882d3433ed59fbccb
PDF
Publication paged6d923c56745320a35abca98ddd4a386d9864bbd04354a8b6e542b9679bae5d8
Manifest024d444ce408ae84400576c71efb0cd723162b0a4ef3a3d0f252ed9a1baad28e

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
SignatureeIC6+pOTKoWcDvsWtQxuxeZwJ712msaZ5OTd+IljWlZAonhNOZ0gXkG1Ve+4FeieJvZH/Ab2qIhyhN3Gnv0WAQ==
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

2026-09-17T09:31:02.668858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098732
observed d6d923c56745320a35abca98ddd4a386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:02.652014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098732/manifest.json
observed 024d444ce408ae84400576c71efb0cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:02.634360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098732/publication.md
observed f11fde6f74c6dbcfde8d8d4acfe872a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:02.616686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098732/publication.txt
observed a4d9601573a29c131e26dcf2aaec8ef0...
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.