OpenTechnical

OT-2026-000065820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000065820) never changes.

Identity and time

Publication numberOT-2026-000065820 · never reused
Internal UUID01a0ae8e-46fb-702a-81a5-f0960d7284d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065820
StatusPUBLIC

Content hashes

Canonical text7a8bc3a978204d6262f5d5644347f2514304323f9b8f4f287867c9e26c38ec2c
Markdownd87f6a98e3671794676d768521a7c189119dee019d782fd53fdcbba06ac92cad
PDF
Publication page69d05fe3b63a4ea445a3302f9d17702f41b562fca36e957ed766c7ae0c367153
Manifestf00ecc0d9e1aeb310e05f1c1563e11490a61546a1779b2e5be08c6635e708a40

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
SignaturelVGYiL1/OZNb3QZMaecCbfYg/w2Ak+2O/qXxOEL0F2xxWRubrrV9Qn+ol3msIheJ5u5TYL8YQS03iCHEPNY+CQ==
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

2026-09-17T10:34:15.969151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065820
observed 69d05fe3b63a4ea445a3302f9d17702f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.951340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065820/manifest.json
observed f00ecc0d9e1aeb310e05f1c1563e1149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.932056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065820/publication.md
observed d87f6a98e3671794676d768521a7c189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.914833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065820/publication.txt
observed 7a8bc3a978204d6262f5d5644347f251...
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.