OpenTechnical

OT-2026-000032665

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000032665) never changes.

Identity and time

Publication numberOT-2026-000032665 · never reused
Internal UUID01a0ae75-1070-7a57-af72-845fff9bfb74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032665
StatusPUBLIC

Content hashes

Canonical text205e9d892c42d0c4c9a4bf867bf8e76c1199a6072f990cb70887d6e2e39c5c5c
Markdown683d69e1e8fd6d4d16d6bb75c0c1d22145c7e17d88567ccf41e67c17a4676b35
PDF
Publication page6cbaa2f2c967d5e6b4fbdb63d2e714eafebf502e985be6890eba7fdc26c27c09
Manifest9a95abe9b908dda551088c36a2ffe4491602e12368697b04da40278f161d4729

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
SignatureOkHWnyC/UUiwF+gI+0UWLTzAIeoAbyzE0zgNXMoPe2Bh4qaPLuxXPcZGq0rGTXKJULpRIxk5L+QKHgArAqmgDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:15.854285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032665
observed 6cbaa2f2c967d5e6b4fbdb63d2e714ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.837240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032665/manifest.json
observed 9a95abe9b908dda551088c36a2ffe449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.817497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032665/publication.md
observed 683d69e1e8fd6d4d16d6bb75c0c1d221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.794113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032665/publication.txt
observed 205e9d892c42d0c4c9a4bf867bf8e76c...
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.