OpenTechnical

OT-2026-000061842

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000061842) never changes.

Identity and time

Publication numberOT-2026-000061842 · never reused
Internal UUID01a0ae8b-b8ac-7a42-bdde-0f8c9184072b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061842
StatusPUBLIC

Content hashes

Canonical text4b761e1b8aacb94a53f2d94e4806127c87a62c56a0199b2fce7847fb8296d6c1
Markdowna8c3ead5551128fb553256e6968db92ca227c18c5809056020e54cb066502f5d
PDF
Publication page82845dd176884e660ede7b298b5534c555a38e0fcadbebcca75ec2942af7ade1
Manifest80b6a7982ac396dc1a9865d09192e6a7633ebbd543ebf9db7ab835e570e77196

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
SignatureIWHVfMxSiOtqHAfuBmlwet4MtB06iAyghzLTej7MQsPS3JnnHC5KbtlnjhL6KVJqtUkzneenM2eegvRfIto1CQ==
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

2026-09-17T10:40:41.420872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061842
observed 82845dd176884e660ede7b298b5534c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.396927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061842/manifest.json
observed 80b6a7982ac396dc1a9865d09192e6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.374100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061842/publication.md
observed a8c3ead5551128fb553256e6968db92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.218453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061842/publication.txt
observed 4b761e1b8aacb94a53f2d94e4806127c...
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.