OpenTechnical

OT-2026-000025923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000025923) never changes.

Identity and time

Publication numberOT-2026-000025923 · never reused
Internal UUID01a0ae71-a83f-7c00-9d9c-bc274cf22357 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025923
StatusPUBLIC

Content hashes

Canonical text33f7c502a00ab1328087ee4886ac8bb8c466a93164ca6f62a77c42f2624e4f70
Markdownaf97d73c8507cac09c2f1f4aae741337da217777dd06c7b7291f912cf62928cf
PDF
Publication pageea370069f8691823fefa6eec1fe723b15ae21296df13e2d5492d5318978026bd
Manifest7d3394f5743344fc9b6784dcdf03c1063b26c1486321752c21e1dd6451922848

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
SignaturegcQ6nr5zDx2sdbGo7zcaXZRmNKRHz7tDWl0vatIoAVOLbaJ7hMuJyDcAlBgYCXPelTVvpQddcaX88wbAVO8TCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:16.756969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025923
observed ea370069f8691823fefa6eec1fe723b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.736413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025923/manifest.json
observed 7d3394f5743344fc9b6784dcdf03c106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.717621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025923/publication.md
observed af97d73c8507cac09c2f1f4aae741337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.700216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025923/publication.txt
observed 33f7c502a00ab1328087ee4886ac8bb8...
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.