OpenTechnical

OT-2026-000048697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048697) never changes.

Identity and time

Publication numberOT-2026-000048697 · never reused
Internal UUID01a0ae80-c32b-7d5d-ad76-ecfbbba05e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048697
StatusPUBLIC

Content hashes

Canonical text9a02cc10bb7f12a10b1e399203844e8a5e52790e5f2b601919283328664bcb32
Markdown872a4f048cb21305564330e758890528d03d06709c7ade530295dffc43071a5c
PDF
Publication page816fb656d41ae80c4d4e4dd899f4bb6b866617f0175f68367436dbf3d1603150
Manifest14be7318d1554dfb248ef11314496c0434f1901d1c4faeafdc6b2162c5260ce0

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
Signaturegni1mQZh8S3hlmhSJ2Ox1KhFMi4eqKqAY6EKzXJyflxRZnYjlcH99PAXo3Q8PEQLyI4gGYBgaZkyM3CB5x8tBw==
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

2026-09-17T11:04:19.802750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048697
observed 816fb656d41ae80c4d4e4dd899f4bb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.783091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048697/manifest.json
observed 14be7318d1554dfb248ef11314496c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.763834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048697/publication.md
observed 872a4f048cb21305564330e758890528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.743149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048697/publication.txt
observed 9a02cc10bb7f12a10b1e399203844e8a...
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.