OpenTechnical

OT-2026-000098882

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000098882) never changes.

Identity and time

Publication numberOT-2026-000098882 · never reused
Internal UUID01a0aea2-8286-7633-bb53-d3f46ee85baa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098882
StatusPUBLIC

Content hashes

Canonical text28c1df513981cef493a2675eeb6f2b21a3d4ab4d94943dc872def42bb5c6accf
Markdown8c511bd16bdeaf49c0fc80b68601211f8f582999cdb2a2f9102803d4fe2c04b5
PDF
Publication page793371a8ccbc5b9ec94beae3b23184707d242d0af51a261dc14ffbbe9f7522c8
Manifestbf977d3dd15bd177433b53966ae46364efce8df965cc10e6d466e0f8926c4a4f

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
SignatureqV89MxVEecc6GUiYBv6dmyVKnpooHCc/kLa0bLTFmXVj/tWeWW6bO32MUJ9FWl57EGh0kxcS2GtQTMP3CmApAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:56.056839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098882
observed 793371a8ccbc5b9ec94beae3b2318470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.941939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098882/manifest.json
observed bf977d3dd15bd177433b53966ae46364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.923444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098882/publication.md
observed 8c511bd16bdeaf49c0fc80b68601211f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.906428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098882/publication.txt
observed 28c1df513981cef493a2675eeb6f2b21...
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.