OpenTechnical

OT-2026-000009128

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000009128) never changes.

Identity and time

Publication numberOT-2026-000009128 · never reused
Internal UUID01a0ae6b-31b9-7339-b48a-46efc818ca8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009128
StatusPUBLIC

Content hashes

Canonical texta278dc21a19296316a82557fec905aff4262bb680c94072f02847440413f1942
Markdownf72c03f38dc5cccd12cece35d9ffe4e0d83d0492b34765030a1b4f8279eb3384
PDF
Publication pageaad0c3077ad996cb558f1a61be315e8791787dae1094b8dd6eff55fcf4744980
Manifest02ad3a72218ace45d17871114cbf099956a1cbf3bf07ef970ed812330e7a7fc6

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
SignatureQdArV0dpF0wE5kGJ7gTk2bgtCp2p5wez/z00ON89g5I1hmQB7bNDerf3RHVPZZfA7REl+lx+YZTJgx0gHGKsBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:49.195614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009128
observed aad0c3077ad996cb558f1a61be315e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.174901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009128/manifest.json
observed 02ad3a72218ace45d17871114cbf0999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.152805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009128/publication.md
observed f72c03f38dc5cccd12cece35d9ffe4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.132155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009128/publication.txt
observed a278dc21a19296316a82557fec905aff...
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.