OpenTechnical

OT-2026-000099677

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000099677) never changes.

Identity and time

Publication numberOT-2026-000099677 · never reused
Internal UUID01a0aea2-c976-7a3d-ac61-4c5eafe18e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099677
StatusPUBLIC

Content hashes

Canonical text35cfeff62e0bf922935221acd03e8a56d63d59102d2260baff2df72e56da0962
Markdownf64e6f112a01f488eb485765ed1b263977359e3f51771ce1d39291ba0a91b0c7
PDF
Publication page04436df69d7e70bc9379a65264ddd2d882f4d9828599996bdd29bb408a3d9e63
Manifest9ccf090f1e3c6ca8a68aadac778053ef18121c8f7ffcd7c4440b37295af16640

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
SignatureQBpIynqYeos7ljZGV6IRLXv0ZPxdCqc48X1sOsxbd0rl5Lh6bIpedYQDtasgaMya7Yy2fUAFG9VlcztFuS9zDQ==
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

2026-09-17T09:29:37.289973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099677
observed 04436df69d7e70bc9379a65264ddd2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.272678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099677/manifest.json
observed 9ccf090f1e3c6ca8a68aadac778053ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.255635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099677/publication.md
observed f64e6f112a01f488eb485765ed1b2639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.236755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099677/publication.txt
observed 35cfeff62e0bf922935221acd03e8a56...
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.