OpenTechnical

OT-2026-000060080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000060080) never changes.

Identity and time

Publication numberOT-2026-000060080 · never reused
Internal UUID01a0ae8a-5a71-71b4-85ed-9e35ec7adfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060080
StatusPUBLIC

Content hashes

Canonical text13340f2b1a273e0f2e95226067573fc2c519e126209888d35c815ab222937f9d
Markdowndf6062ab77ecde1c60657e195120ff2654eb1c039aa5489a596e32f7ca2e76d8
PDF
Publication page895acd8aa9b4387971f1ecbcd8f5d2c1667b4938da3bdbf6922672cfa011f829
Manifest9bac669e2222e8927c742974b20674f61640db2dbd9b081f451513535c05f633

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
SignatureQh/2QAhdjARy9pb+AjJB3/XguR2Bu/1v4VUXQaN7d4kCSksGp9smT5aBy/g02r3SL8y662KfgZfN5QjG4HPYAw==
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...

Independent retrieval

2026-09-17T10:43:42.949201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060080
observed 895acd8aa9b4387971f1ecbcd8f5d2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.929412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060080/manifest.json
observed 9bac669e2222e8927c742974b20674f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.909102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060080/publication.md
observed df6062ab77ecde1c60657e195120ff26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.890311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060080/publication.txt
observed 13340f2b1a273e0f2e95226067573fc2...
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.