OpenTechnical

OT-2026-000020537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020537) never changes.

Identity and time

Publication numberOT-2026-000020537 · never reused
Internal UUID01a0ae6f-437c-710f-b268-fa69a8ae319a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020537
StatusPUBLIC

Content hashes

Canonical textbe085b5883be647d68dad35eed8c52a3342c5b6b1872ff14980fd1fbdd7c692d
Markdown0a8cddb0e1ebc90528289df2abe9cdac555155d1903c758328c1fd7e03f3f1c5
PDF
Publication pagef77dc7935e0355a0f2bedf8f80b531921deba54ec9a29263a3079cf51e719a04
Manifest8f50bb889e591fdaf177fb6022f392677217ebdffe9dfee44ace8581485457d0

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
Signatureof9cxeYeJAOGfAO+lULsVBsR7mQStC3rEO51Gpqf2lgD8A/+nFjA1veQY2hFU/8Ekox0I3CnEI5p5YeSiuXOCg==
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

2026-09-17T12:00:31.153040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537
observed f77dc7935e0355a0f2bedf8f80b53192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.132969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/manifest.json
observed 8f50bb889e591fdaf177fb6022f39267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.114685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/publication.md
observed 0a8cddb0e1ebc90528289df2abe9cdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.097587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/publication.txt
observed be085b5883be647d68dad35eed8c52a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.685906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537
observed f77dc7935e0355a0f2bedf8f80b53192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.666938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/manifest.json
observed 8f50bb889e591fdaf177fb6022f39267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.645862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/publication.md
observed 0a8cddb0e1ebc90528289df2abe9cdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.627056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020537/publication.txt
observed be085b5883be647d68dad35eed8c52a3...
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.