OpenTechnical

OT-2026-000063289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000063289) never changes.

Identity and time

Publication numberOT-2026-000063289 · never reused
Internal UUID01a0ae8c-94ac-7a25-bab7-e2a0544ca9e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063289
StatusPUBLIC

Content hashes

Canonical textc470075cd6f7f730e9dfbd2f2bc59b574398c6c602b8def407441e9c59750ee9
Markdown4a2da538f07a96e4d848df863367f390a4386ad1ac1ed6e295dcc6cab96f0227
PDF
Publication pagefa87649b27b8f76d3f4f2234e262ad6433d2134099fa2eeabd69d9bb1f5918a4
Manifestd99de351461e6371ab7db1b5a3297733b4bfba873c0603cb59b1a3f319d36d97

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
SignaturefqmVYgk6lR124YaeQvZE4B0nE9k3ZVYDurdaj5usHARVds/psITjZoUkdW6AjIfLTQn4PRvAdxaImlfl9eeiAg==
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

2026-09-17T10:39:10.988958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063289
observed fa87649b27b8f76d3f4f2234e262ad64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.972575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063289/manifest.json
observed d99de351461e6371ab7db1b5a3297733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.952168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063289/publication.md
observed 4a2da538f07a96e4d848df863367f390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.929835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063289/publication.txt
observed c470075cd6f7f730e9dfbd2f2bc59b57...
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.