OpenTechnical

OT-2026-000069121

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000069121) never changes.

Identity and time

Publication numberOT-2026-000069121 · never reused
Internal UUID01a0ae90-6dce-7481-baa6-4677fb801098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069121
StatusPUBLIC

Content hashes

Canonical text70c882b0d41c7171017e8902340a33f011db11097ee874967d2bbb7f9e993606
Markdown26cf39aae42f898c93113a0902a4326a76328b0a41694c9d8ac7a51f531683de
PDF
Publication page1480babf6f9deb0d0aaa4722ef9f52f7ada3a245efe2ea2a7f2bf42e96edecc1
Manifest9c3363b6ab597c765ee261ff7dd065270e435a60e4660cbb459b3a848b19d013

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
SignatureUZxJghNoKTTz0+/6zyAzVaa1e2Rf+BG1YJCElY6MM91PLAqrAbQIgi6kic1uHK0EOECj6hLF+bwQP+wDEbBAAg==
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

2026-09-17T10:28:59.977187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069121
observed 1480babf6f9deb0d0aaa4722ef9f52f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.959135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069121/manifest.json
observed 9c3363b6ab597c765ee261ff7dd06527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.939631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069121/publication.md
observed 26cf39aae42f898c93113a0902a4326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.920887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069121/publication.txt
observed 70c882b0d41c7171017e8902340a33f0...
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.