OpenTechnical

OT-2026-000012103

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000012103) never changes.

Identity and time

Publication numberOT-2026-000012103 · never reused
Internal UUID01a0ae6d-1943-79d2-a051-a75b2db59af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012103
StatusPUBLIC

Content hashes

Canonical text9479248477f0fc0674de862d800ead78bcfdebc6aad8714269e33a4f4ebbc5ae
Markdown80705bf2c637ab8da74ab3a3a9205912aa9bdbcbf1a57bad9d7ca1dc7bb44cf1
PDF
Publication page5ae818e02fd625996176eb397814a3b4e04348f7e7caa7237856f3adca47e351
Manifestbc6dd82354a4a51300e378fad42e49c3e8c86e294230def1ed4889fc81baf386

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
SignatureYj3Pz5rbUegZPrOzqhUvqJsrojkUcQ2uLuzAeS5xL9iYQkknUgXgWyle/6sYuqG10T4ijMomIqn3adb11m9XAA==
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

2026-09-17T12:12:59.960704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012103
observed 5ae818e02fd625996176eb397814a3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.940653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012103/manifest.json
observed bc6dd82354a4a51300e378fad42e49c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.920531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012103/publication.md
observed 80705bf2c637ab8da74ab3a3a9205912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.899986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012103/publication.txt
observed 9479248477f0fc0674de862d800ead78...
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.