OpenTechnical

OT-2026-000066258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000066258) never changes.

Identity and time

Publication numberOT-2026-000066258 · never reused
Internal UUID01a0ae8e-8dc4-7e78-8a15-c67782cc8cde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066258
StatusPUBLIC

Content hashes

Canonical textaa3ee50de2f20970a01c4465359895b5bdbb57642a7bc64991fb20c366ee01fd
Markdown4990042b573c2608c7e08f7ab1259c43a1aea603b9f56d55576ed4f21af0699d
PDF
Publication pagebf6e2aa1b0497dcbeaa32e0b35656c261821951ac52817a737b1577813fb5468
Manifest88adea3a3c49b87284248764c2edf60ce34baf87c7d040190de14d107ae3ffbe

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
SignatureA6RALj5sQvkpLNbEn+ZIu0nOZtjE9Cjy/U687ChNC6XjxoSCuRoFSiDHGOOweeeytRpj7cetmvKVa6ZGnEBHAA==
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

2026-09-17T10:33:25.763195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066258
observed bf6e2aa1b0497dcbeaa32e0b35656c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.745847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066258/manifest.json
observed 88adea3a3c49b87284248764c2edf60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.729584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066258/publication.md
observed 4990042b573c2608c7e08f7ab1259c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.712240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066258/publication.txt
observed aa3ee50de2f20970a01c4465359895b5...
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.