OpenTechnical

OT-2026-000064841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000064841) never changes.

Identity and time

Publication numberOT-2026-000064841 · never reused
Internal UUID01a0ae8d-debc-707a-b287-973ca7a0f2f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064841
StatusPUBLIC

Content hashes

Canonical text91d2b3c7a09c46eba2efc396903d9de1d828254fbddacb99fba6b46fc76b5c9c
Markdown41edebfb6900c2c67b8482d982918ee1539dced184f55d538f169ebd85fe0b15
PDF
Publication page3b3bca91d45763c1f0da439d026cb9933e0bc4e97ecb750e50a2fd35347c86df
Manifest56454ef1de62cbd699aae8b9eda3cb8d44c9cd68c721eefeceecb72a66ded920

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
Signaturev1vwffLZDntfKtu515BOmH5Rpdfj7DLmbghYEvO8v4QpBTpL1S0TVxWUz1hmEAWl+BEGpmOD4iWhk/2iEqENAw==
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

2026-09-17T10:35:45.148595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064841
observed 3b3bca91d45763c1f0da439d026cb993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.130391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064841/manifest.json
observed 56454ef1de62cbd699aae8b9eda3cb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.111463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064841/publication.md
observed 41edebfb6900c2c67b8482d982918ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.092567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064841/publication.txt
observed 91d2b3c7a09c46eba2efc396903d9de1...
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.