OpenTechnical

OT-2026-000067629

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000067629) never changes.

Identity and time

Publication numberOT-2026-000067629 · never reused
Internal UUID01a0ae8f-6bda-7b4c-a65a-47f678470b44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067629
StatusPUBLIC

Content hashes

Canonical texted5a4fbc1453304f32341ce1a557b32b09347a07dcaa119a410d6b5ce59b1da9
Markdown6e661fb5096bb6f9154c806a655f038fd5a6857d8a73a1224ec71e9b96ae2768
PDF
Publication page11e3a04eebec560cfddaf028af3178c7f44890cf54243e7502e67fca67bdddbf
Manifest26c75b7c85323b80894deaa1dcac45814cf1540f5b99f1916d8147d69424632e

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
SignatureZcplfd2CZyK2YuZWBx1rqwXYU8xhL1ADF59xhcDKe0aYJqbA+F2BIPEoo8ontQVbDUqoMbdFMzX3hwUPjrkzAw==
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

2026-09-17T10:31:57.197463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067629
observed 11e3a04eebec560cfddaf028af3178c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.178690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067629/manifest.json
observed 26c75b7c85323b80894deaa1dcac4581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.161408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067629/publication.md
observed 6e661fb5096bb6f9154c806a655f038f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.141361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067629/publication.txt
observed ed5a4fbc1453304f32341ce1a557b32b...
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.