OpenTechnical

OT-2026-000042302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000042302) never changes.

Identity and time

Publication numberOT-2026-000042302 · never reused
Internal UUID01a0ae7a-5d73-792f-9990-7eac3ab2ee22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042302
StatusPUBLIC

Content hashes

Canonical textb26bfdc65f91ca93832237019897d298e8183dc7525f5a56a412d459396a77c2
Markdownfec2a3c3866d052fc94fc901b278a2872a8d9d13bbb9a289a00e7e82f2882e76
PDF
Publication page9489783f769008f54c746e0c90a46c8851a03743446c6bb372e37b1582d89c3a
Manifestda80d343bd1ba95dd743f89ba3658fbbdcbcb58bf63ba18a1f9f207afa103cba

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
SignaturebqDLbWs41RnLn3NJncqoWNuxQzVIrrha/gwVcl70aAL0uPZSHunJxZdGcM4dtOPZF9qRdeNz+PkMdPpKvrd3Cg==
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

2026-09-17T11:16:00.071512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042302
observed 9489783f769008f54c746e0c90a46c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.054625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042302/manifest.json
observed da80d343bd1ba95dd743f89ba3658fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.035279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042302/publication.md
observed fec2a3c3866d052fc94fc901b278a287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.017140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042302/publication.txt
observed b26bfdc65f91ca93832237019897d298...
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.