OpenTechnical

OT-2026-000063705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000063705) never changes.

Identity and time

Publication numberOT-2026-000063705 · never reused
Internal UUID01a0ae8c-f946-7b45-abb1-302be9166ea2 · 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-2026-000063705
StatusPUBLIC

Content hashes

Canonical text1afbe99e1800e020db829dad085e816568b82bec1213f00db194a02be280efe7
Markdown4dbd11c3324d2e891fa48417b4a8101e51785fbd7ce7775cb11d369843720947
PDF
Publication page800bc8f3f8ed268022c5efd3d947e806099b86e1c26f57881b184425a592e0c4
Manifest36969a87bf71321015d93b369de59b745a77ebd3cbed882e98badd4692add3e9

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
Signature7gfQu2JbAH2iWPFXHwpY8WYOVDgkd4gELYMiXOf/60LbVwlRhsf2NoSRFAM2bSaf9Y5kkfxjMCQOLJ7Ar6DHCQ==
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

2026-09-17T10:37:49.673240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063705
observed 800bc8f3f8ed268022c5efd3d947e806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.657012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063705/manifest.json
observed 36969a87bf71321015d93b369de59b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.640722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063705/publication.md
observed 4dbd11c3324d2e891fa48417b4a8101e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.622484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063705/publication.txt
observed 1afbe99e1800e020db829dad085e8165...
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.