OpenTechnical

OT-2026-000012029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000012029) never changes.

Identity and time

Publication numberOT-2026-000012029 · never reused
Internal UUID01a0ae6d-1943-741b-b935-b28dc4882036 · 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-2026-000012029
StatusPUBLIC

Content hashes

Canonical texta9c5c87398214ce23ce9517117595461a318f838f4fad82e604efe50b2aeac06
Markdown24b63ddd74f4ede82074d8011fd1c6bea5a9a2a28fd34e7d337f33e40b944fca
PDF
Publication page0ddc5f173c09710e3404b1f799694a74c59769ded534d57762f46e9d6bb084ed
Manifest8aca05aca392efd917a0caa53911a4b4f85b4a1df5aa91dfd6004cad831f83c3

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
SignatureSWFX8VO14pyVE4d67q7GNuXLgvGTA29ra7JIoHRP1tRkmRDijHjR/utNGi8lzQHj2vQak1c1YkI9CNqeMDiYDA==
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

2026-09-17T12:12:54.150456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012029
observed 0ddc5f173c09710e3404b1f799694a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.128236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012029/manifest.json
observed 8aca05aca392efd917a0caa53911a4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.109758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012029/publication.md
observed 24b63ddd74f4ede82074d8011fd1c6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.089172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012029/publication.txt
observed a9c5c87398214ce23ce9517117595461...
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.