OpenTechnical

OT-2026-000099674

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099674) never changes.

Identity and time

Publication numberOT-2026-000099674 · never reused
Internal UUID01a0aea2-c976-7238-9da5-5d06b13a62d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099674
StatusPUBLIC

Content hashes

Canonical textb5a4c6cdd2ff2c4618c1f7351e9052f5ad697fdc37025ddca15e16a8d0cc900f
Markdownb308aa670933e15a3b1776271e1320b569be7df1d38ff34f3e328a0b5be59439
PDF
Publication pageac34325fca713a78cdeadc1327a438a9e46e0ad91485eaaf94fc7b1c1015e1aa
Manifestb82a7aa5458ea2616b02b1b8c1d6cb54e32d0596b5ea5429ae7126a5d1cb92e4

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
Signature+qNBkkWwNZ42VxaGWTmJbJYfvD8aZwsyp9DIWf6XUspplM8prev8SAfSCpjSP5hyqY74aPRJU3+c4mOG2g7hBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:37.068738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099674
observed ac34325fca713a78cdeadc1327a438a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.051517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099674/manifest.json
observed b82a7aa5458ea2616b02b1b8c1d6cb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.034420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099674/publication.md
observed b308aa670933e15a3b1776271e1320b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.015368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099674/publication.txt
observed b5a4c6cdd2ff2c4618c1f7351e9052f5...
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.