OpenTechnical

OT-2026-000069103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069103) never changes.

Identity and time

Publication numberOT-2026-000069103 · never reused
Internal UUID01a0ae90-6dce-7ec4-be81-b92b998512b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069103
StatusPUBLIC

Content hashes

Canonical text9e72eee9f8599573229156fd64e32087bf097aa5ab646545cad57e1968c6ef2d
Markdownd750859ab41b85fd8c4ceb1342f6a0ea59b9ec82035fecb6538d3ca687107739
PDF
Publication pageebba1da2b66b237a3dab6cb7a4aecdb3aa142ebc69c0c56f895bd6b99677f61e
Manifest568cef364cfb26d98d10ff301b07917c5938dd035d561625c6048a111fdfe4d6

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
Signaturey2MQhprO01z4J2y+d8aOiv6sfz7B9jq/cA6SZhQKEAG3I5XtU67DFKvcgi0v+G5UdnWQA6y8o9VUNnznMr3mCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:58.816925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069103
observed ebba1da2b66b237a3dab6cb7a4aecdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.799014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069103/manifest.json
observed 568cef364cfb26d98d10ff301b07917c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.781194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069103/publication.md
observed d750859ab41b85fd8c4ceb1342f6a0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.762619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069103/publication.txt
observed 9e72eee9f8599573229156fd64e32087...
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.