OpenTechnical

OT-2026-000045763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045763) never changes.

Identity and time

Publication numberOT-2026-000045763 · never reused
Internal UUID01a0ae7d-8f05-7fa7-b6a3-f7ca4047176e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045763
StatusPUBLIC

Content hashes

Canonical text6a117eea83a45f1261bcd1dd80b632cb680d9d99a25407faab0824dbdfd3eacb
Markdown0df2f61561810f1343ec69ffd57fd59b301a2abaaced25e842f39a2e748f2efb
PDF
Publication page38d43d5389eee2671625ddc046480b54c19fb6aeb1f143051494d9d636a58d75
Manifest6635849b930cf5c445a7bfa405265d975b2af1c1909b428e21e6cf013eb29d69

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
SignatureKsZarZtCutV91f7qgpHulE9vPSZ8xOFtVLV3ZNvM8Wk04QZ5exSP//zsZm42cV3ltRXTnBrbWiBT6I1zVas8Bw==
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

2026-09-17T11:09:36.837102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045763
observed 38d43d5389eee2671625ddc046480b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.815319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045763/manifest.json
observed 6635849b930cf5c445a7bfa405265d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.790555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045763/publication.md
observed 0df2f61561810f1343ec69ffd57fd59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.768692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045763/publication.txt
observed 6a117eea83a45f1261bcd1dd80b632cb...
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.