OpenTechnical

OT-2026-000016701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016701) never changes.

Identity and time

Publication numberOT-2026-000016701 · never reused
Internal UUID01a0ae6e-5918-706e-a2ac-88e6695554f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016701
StatusPUBLIC

Content hashes

Canonical texteb99860e458777a605d34fcbbdb208b632e55bbfbf7ed01630d239f65b70f14c
Markdownbc7809e7b54486f481c3b6c19c9251d36ce8d7bf49022f3cff842f373151457f
PDF
Publication pagef7f65e81492f6d06cc95ff7eb347186b0ef724ee5cb11868e013846ad34d7198
Manifest83f6ac782e21e0138502414c0143f839bb0c0545d6f1e33a8138a1cd10e2db4a

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
SignaturemCYPFLz0ER2mKO8GWJFK/Fdk9JwhGkHWaISaTU6OA6nbshD7mlnqAIII1JPJLbimEco9KWvP+uznzI9wQ38qDw==
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

2026-09-17T08:43:28.745494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016701
observed f7f65e81492f6d06cc95ff7eb347186b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:28.240396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016701/manifest.json
observed 83f6ac782e21e0138502414c0143f839...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:27.810044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016701/publication.md
observed bc7809e7b54486f481c3b6c19c9251d3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:27.330467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016701/publication.txt
observed eb99860e458777a605d34fcbbdb208b6...
fetched by grabo-systems from 34.44.131.203, 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.