OpenTechnical

OT-2026-000086097

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000086097) never changes.

Identity and time

Publication numberOT-2026-000086097 · never reused
Internal UUID01a0ae99-e82b-7c06-8cdf-4897249363c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086097
StatusPUBLIC

Content hashes

Canonical text8472dfd2d33e482f3c0d96883fe0d050e3c81b6751ec70855ae7cd6904f3bbcf
Markdowne1bfe85f84d38349ca558551c4dce442e64eb91ad74f4113ac4e226d2ab7570d
PDF
Publication page90d7e4c99a38aa5873cf9205b9f75d21f60affae54dee7d8eb2dec05d26f0b71
Manifest7c6b5466ef7873cab6cc01c8be35bcdd0742bd0bc4cfe4444039c351b08bdb90

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
Signature4dmuIQ0sE5iuhqs6Tk2WTgM6hVUECQ0QqumkV8or+J6NvZbERKIcPqh19JsdEUDzLK8jT89OO4D9Dit17A7QDA==
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

2026-09-17T09:53:44.821366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086097
observed 90d7e4c99a38aa5873cf9205b9f75d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.802036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086097/manifest.json
observed 7c6b5466ef7873cab6cc01c8be35bcdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.782523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086097/publication.md
observed e1bfe85f84d38349ca558551c4dce442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.762820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086097/publication.txt
observed 8472dfd2d33e482f3c0d96883fe0d050...
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.