OpenTechnical

OT-2026-000032750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032750) never changes.

Identity and time

Publication numberOT-2026-000032750 · never reused
Internal UUID01a0ae75-1071-772f-b78d-0fc95e54ee90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032750
StatusPUBLIC

Content hashes

Canonical textbc1b1031717cdd9009dfd6a4d2d90019fcae6b7f866d00e3eb543cb3c5258858
Markdowne5197b21707571b3ac28460012ee5016de597e32c06bd751cc66b0f3b6615313
PDF
Publication page87a210914f26ecb0311c51abd533e4481a91566d5d7997f64455ce6272b6aeb9
Manifest76a2c70c02aa34d05eb26a565af8b0a8a4c087062911cdfc7c512b99f8e7f4c4

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
SignaturejREUfC1bDji7MhjC/D++T/YTG9oEsdOabtKo2NtP1ReMPIZQf9YDIVUiTpcPvyN2FMTH3/2A+y1bXKkDPpNcBg==
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

2026-09-17T11:34:22.512609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032750
observed 87a210914f26ecb0311c51abd533e448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.494381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032750/manifest.json
observed 76a2c70c02aa34d05eb26a565af8b0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.477857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032750/publication.md
observed e5197b21707571b3ac28460012ee5016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.462400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032750/publication.txt
observed bc1b1031717cdd9009dfd6a4d2d90019...
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.