OpenTechnical

OT-2026-000014007

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014007) never changes.

Identity and time

Publication numberOT-2026-000014007 · never reused
Internal UUID01a0ae6d-8dea-7e6e-ae78-72655d73a41c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014007
StatusPUBLIC

Content hashes

Canonical text0cfcdc038da86644263df19acd1cb701ad15064774b548b1f8c7cab86a0d3a03
Markdown11f8de805d47a716d05286ea228206c80a8bde15b5f27e31152a7787e3d413aa
PDF
Publication page93226119ae7dd49751196b75ef35fec8dac81c63b6b4b28334b425bed7d39cac
Manifest5ea19d137463bd3812e7e826d9808bfef0f0e825d3d8bb29352cfd9253df3850

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
SignaturegHX1b1rChQtwTJARTc4cbUth3l2FjLsy8FWh47LUIf7w32TBeTx7EnGfmCdqbuFEgwsEOWP8z46WrXQY1hE3Bg==
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

2026-09-17T12:09:13.868787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014007
observed 93226119ae7dd49751196b75ef35fec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.849698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014007/manifest.json
observed 5ea19d137463bd3812e7e826d9808bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.830836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014007/publication.md
observed 11f8de805d47a716d05286ea228206c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.810673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014007/publication.txt
observed 0cfcdc038da86644263df19acd1cb701...
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.