OpenTechnical

OT-2026-000014063

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000014063) never changes.

Identity and time

Publication numberOT-2026-000014063 · never reused
Internal UUID01a0ae6d-8deb-7f4a-9eab-603a20881683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014063
StatusPUBLIC

Content hashes

Canonical text418a6dba7841105a76e92412ba7011c3555b3314e7fe96bd7622e224889037f9
Markdownd91fe9fef934ccd335c2eb98aeefa73b06a3d4653ba61da27c6d9bf933aabf3c
PDF
Publication page47bc16dd04c095750941ae81f83dcd2d947e90e521847dfffd4a98ffa8801f8c
Manifest1a8c000ea1952caad58caebb48549d14e9055be7ace25c120f37117c755b91a7

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
SignatureJ1f3R8QZT8bl+6nfK4Y1dcR/fy+k383NBfKCT91Vk2T+Hi4iAQiBrOdvgcmuxqnY1nYmWDwzZqf8TPhP7FaaBw==
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

2026-09-17T12:09:18.468003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014063
observed 47bc16dd04c095750941ae81f83dcd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.448371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014063/manifest.json
observed 1a8c000ea1952caad58caebb48549d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.427290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014063/publication.md
observed d91fe9fef934ccd335c2eb98aeefa73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.407270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014063/publication.txt
observed 418a6dba7841105a76e92412ba7011c3...
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.