OpenTechnical

OT-2026-000060189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000060189) never changes.

Identity and time

Publication numberOT-2026-000060189 · never reused
Internal UUID01a0ae8a-5a72-756c-ba80-f55d9626887b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060189
StatusPUBLIC

Content hashes

Canonical text874a907b941c8aa08fd91990ea4e0bbb594f109983be1f67c0f118e7e9d7802d
Markdown66b65ca412e260e7c3a4457d93e483285bc26ad93bbb6ab89e518791d6297074
PDF
Publication pagef5f58f24761cd95790b732a9005ef5434b206ff4e1d8307b758c70e7ab8db884
Manifest80406bbbcda6706ce2c74f224682a0060ad121e6a49b8a9e76a35f59a6540f71

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
Signatureh4uokJSs4XxSFu/R8tHl43io+MOZRFF3lWoTx5E5l2o/jx9/9I8NjCqEkfsWKRzDEssPqYGgyzRr2h2/rIwpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:51.415904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060189
observed f5f58f24761cd95790b732a9005ef543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.398782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060189/manifest.json
observed 80406bbbcda6706ce2c74f224682a006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.381464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060189/publication.md
observed 66b65ca412e260e7c3a4457d93e48328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.362888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060189/publication.txt
observed 874a907b941c8aa08fd91990ea4e0bbb...
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.