OpenTechnical

OT-2026-000012323

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pulsed blow-off before 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-2026-000012323) never changes.

Identity and time

Publication numberOT-2026-000012323 · never reused
Internal UUID01a0ae6d-39f6-7a2f-b73f-85e568a82f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012323
StatusPUBLIC

Content hashes

Canonical text5bd5c288f118d96da6b6dd4b6c0767967f214a66815321a6e99082e1a37b1fe3
Markdown7d65324d055784685298243c310e5be093161398eca7afa74500d8541e9396da
PDF
Publication page5ff039955ce7f6aa1483c7f659e8f06d91b92013137cab94315cf5b1120be071
Manifestd1fc8a46956ef01a9699187296b495ae25832f92f0008b5affcbbb8f3e9d2395

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
SignaturebL/er2UqGxPpay/xI91C4y0oRNG2ahJ3aZqn7RGiPTm2pajo9bHlN/ly+e02bbuz94TjMfDoqJ3zhNlWXGZAAA==
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

2026-09-17T12:11:16.354133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012323
observed 5ff039955ce7f6aa1483c7f659e8f06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.335534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012323/manifest.json
observed d1fc8a46956ef01a9699187296b495ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.317155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012323/publication.md
observed 7d65324d055784685298243c310e5be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.298311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012323/publication.txt
observed 5bd5c288f118d96da6b6dd4b6c076796...
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.