OpenTechnical

OT-2026-000012226

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012226) never changes.

Identity and time

Publication numberOT-2026-000012226 · never reused
Internal UUID01a0ae6d-39f5-75cb-b0cc-2a1742cdb559 · 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-2026-000012226
StatusPUBLIC

Content hashes

Canonical textfc91df71521b3939ff065a2516751721f769060b2e997198d6cc01050de0d52c
Markdowncd4556d5b3ffe46f4c4c6e509ba4a4341ab8e2596ea33acc394faa2ab6c8d2c0
PDF
Publication pagea384ae863379c5c82f05c0490ad1c1edb3044e5c41b4cc526523a8e343f8d43f
Manifest6c0196b67bc41870417714f8d09538410c24f1c970b9381a870c9baf5935931c

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
SignaturepC8CvSb1Qv9vDHqLH+p4F4H5HI9OKHHpJAicn8Y0VjdfJ77IVxyvmcW+Y/x+2B/rV4+fn4zwUmtyY3xYVajyCg==
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

2026-09-17T12:11:08.858054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012226
observed a384ae863379c5c82f05c0490ad1c1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.839932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012226/manifest.json
observed 6c0196b67bc41870417714f8d0953841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.815117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012226/publication.md
observed cd4556d5b3ffe46f4c4c6e509ba4a434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.796506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012226/publication.txt
observed fc91df71521b3939ff065a2516751721...
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.