OpenTechnical

OT-2026-000011246

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, sustained 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-2026-000011246) never changes.

Identity and time

Publication numberOT-2026-000011246 · never reused
Internal UUID01a0ae6c-5410-7ff9-9441-0409e0de512d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011246
StatusPUBLIC

Content hashes

Canonical text218c69637f6845ba6f2d67fb5dfbfd7fcac9677549e1d536c0975ee2a325af42
Markdown4de7eb331c1a1aaaede3fade4a9c30769b445a7a6a054469fb5f7d5923fb10bf
PDF
Publication page6d45d88b96c10b93b2b06320c3e3261ae51eb75272fd39a23d3d0496d655f0fc
Manifest2f43d8e87846f89f5ff656e608f1d0aee9503bb090d8dd677e3b96b9b7113e2b

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
SignatureSK91VK1w2R+bl++oz67lYLS76AbkSNcBgvCHLkHfRK5o4oHizXRJuNNheSpVIZsK2NPL6wyeMV/prrBN+lkRCw==
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

2026-09-17T12:14:12.710606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011246
observed 6d45d88b96c10b93b2b06320c3e3261a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.691770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011246/manifest.json
observed 2f43d8e87846f89f5ff656e608f1d0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.672080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011246/publication.md
observed 4de7eb331c1a1aaaede3fade4a9c3076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.652267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011246/publication.txt
observed 218c69637f6845ba6f2d67fb5dfbfd7f...
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.