OpenTechnical

OT-2026-000011973

Publication integrity record

Two cup vacuum gripper, two 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-2026-000011973) never changes.

Identity and time

Publication numberOT-2026-000011973 · never reused
Internal UUID01a0ae6d-1942-7c3a-9bac-dfcbc4d64291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011973
StatusPUBLIC

Content hashes

Canonical text8990057c3d31309e331595b1f338a6884ff67e8dee0e324e8803fb2c6e4d5c2e
Markdowncf38bfc90674cd707db00ef459c9cf01ec961cb7c76ac1065806703c1a36863b
PDF
Publication page41b382a01b72b2e613b56c50494837f83eebff3d758d4ebbfb3ddc7e699ce557
Manifest7699ca6d6888bb31b8c22bdbc2b689fb586d4669b11d6c8613fafd997ab0e91e

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
Signature8+5lQJdxnTFI5Ula0i9mGMHU7TxpXbWxMqc+2uoVVMUu98NTn931bbfaoyB3IKa0m/LBAdNmTf0XcH/BLBi2Aw==
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

2026-09-17T12:12:49.701227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011973
observed 41b382a01b72b2e613b56c50494837f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.670876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011973/manifest.json
observed 7699ca6d6888bb31b8c22bdbc2b689fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.650896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011973/publication.md
observed cf38bfc90674cd707db00ef459c9cf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.622347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011973/publication.txt
observed 8990057c3d31309e331595b1f338a688...
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.