OpenTechnical

OT-2026-000056452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000056452) never changes.

Identity and time

Publication numberOT-2026-000056452 · never reused
Internal UUID01a0ae87-4bd2-7ffc-b28a-2cb57d47dc48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056452
StatusPUBLIC

Content hashes

Canonical text67f89208571780c381ddbb0faca2f71bc5c614e815e42db23a15ce125d1e15b7
Markdowneaa0e37079e977cea113eb3ef9d5df6fa8c8df77ce0a6265b304c1f606374bba
PDF
Publication page8dd547320f721008b96f74b2d5867012ed597970bb236501105ced19a855c301
Manifestaf598391058727b6b10bf129cb42e2f16691582aee23798804d6a23f015e2eae

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
SignaturedgRALHbrrYfKLZTIcHyo0N2MmPc4pf3HmhR0RjbOuaQ5P5unPY1CD5folYKt2dmoEh5NRqYE5/l9DoyP0kkfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:59.343619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056452
observed 8dd547320f721008b96f74b2d5867012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.326128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056452/manifest.json
observed af598391058727b6b10bf129cb42e2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.308547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056452/publication.md
observed eaa0e37079e977cea113eb3ef9d5df6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.289135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056452/publication.txt
observed 67f89208571780c381ddbb0faca2f71b...
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.