OpenTechnical

OT-2026-000065620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000065620) never changes.

Identity and time

Publication numberOT-2026-000065620 · never reused
Internal UUID01a0ae8e-46fa-7302-a47e-8bb6d9d7c76c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065620
StatusPUBLIC

Content hashes

Canonical text8d3de9792dc85f6b2fcf47951e67a646814a7c2c62075a490707511818a59e94
Markdown9745c08b52da43ea73a5a94b236303b1e2980e9ce8f911d31a320b4f32bd4b49
PDF
Publication page6a5fa3a31ffd0405b5c235786dd678af6e03a84af111ba160301bad305517e6c
Manifest6329d782824aa2f67f8798e438b5db0b0cc7f5e9a1e2e46fb4dbf5a9fff9da82

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
SignaturevD/w9RL9Kj6nTJsTlixJDX8b97RV1VWqspotoEF7ukNLZYg804HYom8euWBPXLzU3x2uTahsp/37D9vetZkRAQ==
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

2026-09-17T10:34:00.759670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065620
observed 6a5fa3a31ffd0405b5c235786dd678af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.730579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065620/manifest.json
observed 6329d782824aa2f67f8798e438b5db0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.711909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065620/publication.md
observed 9745c08b52da43ea73a5a94b236303b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.694296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065620/publication.txt
observed 8d3de9792dc85f6b2fcf47951e67a646...
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.