OpenTechnical

OT-2026-000088343

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000088343) never changes.

Identity and time

Publication numberOT-2026-000088343 · never reused
Internal UUID01a0ae9b-5d27-7166-94da-f4f4c437195a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088343
StatusPUBLIC

Content hashes

Canonical text7bb1259d1208887c4484cfcf111e6f88010e2e2089f061d239f8c909766e2c5c
Markdown6cb7209a373ac10391a5ca441ae2e9d3640a173bd8e31cada73de83a18da20f1
PDF
Publication page39f328102a1a20b1a2bcea78f34d922a29d677684d68f08e7f58955dba1a7fd0
Manifest1b5d79d170f813adec2e8e3d7953f9374a58fc5bf99aaef46f428702b3eae22e

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
SignatureZVSGxHhubDvi5sstgGKv2nXk0h8Vv8ZMdziZ2Ml/79urvdYf0RS0YTWoR6j4Imgwe/bpz+UgUCIvRyJrcXPoBA==
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

2026-09-17T09:48:40.879502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088343
observed 39f328102a1a20b1a2bcea78f34d922a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.861506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088343/manifest.json
observed 1b5d79d170f813adec2e8e3d7953f937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.844042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088343/publication.md
observed 6cb7209a373ac10391a5ca441ae2e9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.822587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088343/publication.txt
observed 7bb1259d1208887c4484cfcf111e6f88...
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.