OpenTechnical

OT-2026-000014521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000014521) never changes.

Identity and time

Publication numberOT-2026-000014521 · never reused
Internal UUID01a0ae6d-b27b-73b0-9ad4-e86a18340d51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014521
StatusPUBLIC

Content hashes

Canonical textac3bb08d37cc7bad6822f13c099b5ac8cc13199d773183b8709c46b43d6093f8
Markdown3f45e757baf1b6656e42d6e7b892628f72b441a25b7fc30ac0891f2adfee968a
PDF
Publication page9dcca586eb28469aaf9d3c0e357248a86dbfdf2cd08c42b3217f21d0a545b89e
Manifest0fb5e045a1f101b3055c7b338a89b1ab0ae7214c493ed48f81f3db5bc59901f8

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
SignatureXkxCc1EmZY2Xl7dvJ7a4jz+Po+va/gGlusz45gHfIv2LJIkupjaCzJYXY1AqF5EjcZD6YZzz5ysupRK3Gv7MAQ==
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

2026-09-17T12:10:21.522941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521
observed 9dcca586eb28469aaf9d3c0e357248a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.495820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/manifest.json
observed 0fb5e045a1f101b3055c7b338a89b1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.469932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/publication.md
observed 3f45e757baf1b6656e42d6e7b892628f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.445764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/publication.txt
observed ac3bb08d37cc7bad6822f13c099b5ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.873453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521
observed 9dcca586eb28469aaf9d3c0e357248a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.854734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/manifest.json
observed 0fb5e045a1f101b3055c7b338a89b1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.836516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/publication.md
observed 3f45e757baf1b6656e42d6e7b892628f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.819301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014521/publication.txt
observed ac3bb08d37cc7bad6822f13c099b5ac8...
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.