OpenTechnical

OT-2026-000063309

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000063309) never changes.

Identity and time

Publication numberOT-2026-000063309 · never reused
Internal UUID01a0ae8c-f943-7062-b1b2-15da46c986d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063309
StatusPUBLIC

Content hashes

Canonical text3cab459349bb1d5beb7a2a94bac338fbfd34d6b379839aeac40e7705ea7817be
Markdown9a4bd1739f32491993a28d4b4619ea00095562c26a17ff069e0a3d07f90091b1
PDF
Publication page7410d50beef8f65d3870d88b0cc967505c42eadc0cb0ac2fee81af057f2295f6
Manifest06daeedf2f87bb7a543a070910ead51bd4ba94afd06f06a36b8212562964a4e4

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
Signature3vaSS53c2H8hyeA2z/kG+Do42xHoHL073DILxGt7mrQv5B24tadTMWBstwNRtQYQY0fL2E+LyE2T8MdVM2SdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:11.886183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063309
observed 7410d50beef8f65d3870d88b0cc96750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.865805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063309/manifest.json
observed 06daeedf2f87bb7a543a070910ead51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.844417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063309/publication.md
observed 9a4bd1739f32491993a28d4b4619ea00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.822929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063309/publication.txt
observed 3cab459349bb1d5beb7a2a94bac338fb...
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.