OpenTechnical

OT-2026-000010909

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, vented after set-down, on a tool changer

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-2026-000010909) never changes.

Identity and time

Publication numberOT-2026-000010909 · never reused
Internal UUID01a0ae6c-540d-7724-8481-491533faf747 · 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-2026-000010909
StatusPUBLIC

Content hashes

Canonical text1532ab40df37d92470c5920afdfc99b663a291c432054b1a633cd563f7667c57
Markdownebac9a8df9c4b01d8dd65edbd64636eb8e3458b3e76fea8662176bd3664d7360
PDF
Publication pagead23d496bb8baf6a1c70bf9c7bba8cb2f1dcfda7c77151959bae82d740326ba9
Manifesteb90967be88c8c1b6036d23639badf1e6831696d9ac63297e671c58fffa70732

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
SignatureBvGtkY9UaoAm3BSzpCGe0h3pASNOVDWTzRxzigXC9xPQliXIQRtRt4WB8mYf7quWeiZOXwJCVdeT39mKnIVaCw==
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

2026-09-17T12:13:41.080350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010909
observed ad23d496bb8baf6a1c70bf9c7bba8cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.060155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010909/manifest.json
observed eb90967be88c8c1b6036d23639badf1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.040569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010909/publication.md
observed ebac9a8df9c4b01d8dd65edbd64636eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.021138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010909/publication.txt
observed 1532ab40df37d92470c5920afdfc99b6...
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.