OpenTechnical

OT-2026-000065446

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000065446) never changes.

Identity and time

Publication numberOT-2026-000065446 · never reused
Internal UUID01a0ae8e-46f9-7ac0-ad64-b592fbaf1460 · 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-2026-000065446
StatusPUBLIC

Content hashes

Canonical text9d479bbc54988a0597ab70c88f831b8c4f38f34bc5e1ac5e85a2f26a693e6895
Markdownd70891b9a847d7ebce216fede7498c765dcdc3fca0bd38a1cc071a2f694508e0
PDF
Publication page14f6600d0c91a789fb09a4e04f05109e070de2ae9b705b94794a6c9a96274904
Manifest1f8231aa3917fc5d0f7e2015a748091704ba455831bb18ea86293918d3fbde42

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
SignatureGtV0h2GJ6MU9JytQjCHLQZUfqkj8oCsojDYKoXlBPFt98lElbyxEmCGyPoUETTPhvx7kNB6QmsTvDQPefFNeCA==
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

2026-09-17T10:33:43.412907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065446
observed 14f6600d0c91a789fb09a4e04f05109e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.396736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065446/manifest.json
observed 1f8231aa3917fc5d0f7e2015a7480917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.379831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065446/publication.md
observed d70891b9a847d7ebce216fede7498c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.364935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065446/publication.txt
observed 9d479bbc54988a0597ab70c88f831b8c...
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.