OpenTechnical

OT-2026-000095048

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000095048) never changes.

Identity and time

Publication numberOT-2026-000095048 · never reused
Internal UUID01a0ae9f-2df0-7997-98eb-270c9d448bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095048
StatusPUBLIC

Content hashes

Canonical text1ef6db8c11134bb05c36751ae0e4136b2dc1eaff60c3109d180d36343a5e25a0
Markdown80c463f2b3e9e7b11fa8e6637529baebcd94ab25f5463ddbb5a83c83ed112f6c
PDF
Publication pagebf024d0e3174a725af85406802a52768bda4a993e5998506bd1dfe2fed3c89f1
Manifestf770ac0566a722a5535da8a88057c43e6506584e35c8087e382ef98e69b45894

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
SignatureUEgAf93gXAsxSk+3zTewI23paY8gtUU0LlrcXp9JBwsKXbIluQErALgboFG/wgop8SV4gDhPF0Xuylfo6caJBA==
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

2026-09-17T09:37:36.755428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095048
observed bf024d0e3174a725af85406802a52768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.739372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095048/manifest.json
observed f770ac0566a722a5535da8a88057c43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.722878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095048/publication.md
observed 80c463f2b3e9e7b11fa8e6637529baeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.705620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095048/publication.txt
observed 1ef6db8c11134bb05c36751ae0e4136b...
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.