OpenTechnical

OT-2026-000092307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000092307) never changes.

Identity and time

Publication numberOT-2026-000092307 · never reused
Internal UUID01a0ae9d-875b-7b65-8507-3980684c0f6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092307
StatusPUBLIC

Content hashes

Canonical text7c15d22fbf72eb55c7ee7baae369cb0238ab9858612fe2a5c7c40266b86751bb
Markdown6b462609ed91a1d091bad711120015aeef456134804b516229c8d2879a3b3282
PDF
Publication page52f5069518eb033736f4fa4fe8849441c4eb0a5fd1f129b64814d1ae736ae0fa
Manifest70d0d94a5c02c27cd58f0359b3db793d8ba2f262347ba36701b3d297ba0340e8

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
SignatureZr6f9zqHApMZJh0a/mFTDtssY8f09d36FLKpvC0HmipKeAE29Vb/+hGO5iwgEp24PstG++u3Dyt6gYDSR3toCQ==
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

2026-09-17T09:41:50.886545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092307
observed 52f5069518eb033736f4fa4fe8849441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.870166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092307/manifest.json
observed 70d0d94a5c02c27cd58f0359b3db793d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.852968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092307/publication.md
observed 6b462609ed91a1d091bad711120015ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.836503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092307/publication.txt
observed 7c15d22fbf72eb55c7ee7baae369cb02...
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.