OpenTechnical

OT-2026-000024875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000024875) never changes.

Identity and time

Publication numberOT-2026-000024875 · never reused
Internal UUID01a0ae71-2727-7c37-aecd-01e413c461b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024875
StatusPUBLIC

Content hashes

Canonical textb13bcbe6182372c79a1d0233571675f182e1b7ff38b7c68c005a4721df0cb202
Markdown622b9a2d79e35e4d638d2fecf8b6331334b80a9b5cf542b0111102a4390ea8f4
PDF
Publication pagec8cbf9656af9a394b72db20fbd45969562435366e793507d68a0e048a82ca98e
Manifest892ebe5228e86e69a334402a370af73687095edb1058ac5699284db3d95efc29

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
SignatureyiqYcEm0oRtY8up/f6eMj8/BT700aTN/weBTnvnvLfqDVUfmNozxMiHGWpmaPcmen8VGVdJExJYZqUirGm/rCw==
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

2026-09-17T11:48:11.585165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024875
observed c8cbf9656af9a394b72db20fbd459695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.567375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024875/manifest.json
observed 892ebe5228e86e69a334402a370af736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.549727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024875/publication.md
observed 622b9a2d79e35e4d638d2fecf8b63313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.532883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024875/publication.txt
observed b13bcbe6182372c79a1d0233571675f1...
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.