OpenTechnical

OT-2026-000048609

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000048609) never changes.

Identity and time

Publication numberOT-2026-000048609 · never reused
Internal UUID01a0ae80-4de8-791d-820a-cd9486d0b759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048609
StatusPUBLIC

Content hashes

Canonical textfd4b02b26d96547e76965cd9c2067d167b4c81d5582bc96a4e5619e083a1d45a
Markdownb8c8d90dcd0b8bad6b98e6c0d427ecff9ca10952b2cd64901675ee425b22c507
PDF
Publication pageadfa313bbee08f646e3e19291d40b4ef1c7c234754759a3f9d65643c58b9df04
Manifestac5864b7bece640d357c5693c9565f68c3044edc7599a011cdbb2000959cef40

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/Z6ZUkNjjtRw7lOXI4VMRfdhO5lSELlykzrYAMOcpiZNW7sPf3kevwr/4ljm4EnVwWdrfb1MqkCWYhNp8wI3DA==
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

2026-09-17T11:05:25.500952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048609
observed adfa313bbee08f646e3e19291d40b4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.481573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048609/manifest.json
observed ac5864b7bece640d357c5693c9565f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.463675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048609/publication.md
observed b8c8d90dcd0b8bad6b98e6c0d427ecff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.445561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048609/publication.txt
observed fd4b02b26d96547e76965cd9c2067d16...
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.