OpenTechnical

OT-2026-000033138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000033138) never changes.

Identity and time

Publication numberOT-2026-000033138 · never reused
Internal UUID01a0ae75-4844-7d66-9a89-524860bbdd5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033138
StatusPUBLIC

Content hashes

Canonical text1c5f5b0d4ca08b3f8f2f6bd7de864e5b8a781888dda965070fe756d560bcc50e
Markdown20126f90453dd20dc18c58b95715c9ab3f0a80a510ff7c4db55648b7907b884f
PDF
Publication pagebd97597f13d80e0d4f551cad27c0061408e2ca9693879009b59eb461d0d35369
Manifesta3f396c3be98e87e9b64e772f9fe8eb79099a96106f211266dc890c3daa3abf9

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
SignatureD99MgmlwQTcJby9ao/ZzQTBbfr51JOVeyX28PjzWF6WhObttE3d4jQafxBSawwQCe96vnkUleixFr37+w2mbCw==
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

2026-09-17T11:32:49.287634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033138
observed bd97597f13d80e0d4f551cad27c00614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.270667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033138/manifest.json
observed a3f396c3be98e87e9b64e772f9fe8eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.250716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033138/publication.md
observed 20126f90453dd20dc18c58b95715c9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.232713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033138/publication.txt
observed 1c5f5b0d4ca08b3f8f2f6bd7de864e5b...
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.