OpenTechnical

OT-2026-000048927

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000048927) never changes.

Identity and time

Publication numberOT-2026-000048927 · never reused
Internal UUID01a0ae81-134b-7ddd-a8f7-c11a7cf4fd64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048927
StatusPUBLIC

Content hashes

Canonical text0f42e538c23777c7d1e734f9d30c4f222839c3ebabc9bb58fb4fbe9bb2ad388a
Markdown764371b56fe1b108b4328b6b7f21d7a66d5c798a85d7ced6800e41cb1cbf3d85
PDF
Publication page7f99db5d8a13f27f77fad6e9c5f9799cc9eb0ab91f27add1691bedf8c7642667
Manifeste91c3a675b34dac1f83ecb181dd09a28aa23187483c21b3b61f4e6767b866780

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
Signaturek+B+WU6fOPaQiQrcb47CRrWbSbB8ukyIR0BkqisDJyYh6z/FsC1rshbaLhv8U7Awa60G9z/mJADmNsMsAVd4Cw==
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

2026-09-17T11:03:06.385677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048927
observed 7f99db5d8a13f27f77fad6e9c5f9799c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.369260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048927/manifest.json
observed e91c3a675b34dac1f83ecb181dd09a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.352591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048927/publication.md
observed 764371b56fe1b108b4328b6b7f21d7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.334908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048927/publication.txt
observed 0f42e538c23777c7d1e734f9d30c4f22...
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.