OpenTechnical

OT-2026-000061535

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061535) never changes.

Identity and time

Publication numberOT-2026-000061535 · never reused
Internal UUID01a0ae8b-7b44-70c9-a517-9c8f33b0a48d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061535
StatusPUBLIC

Content hashes

Canonical textbcb403969718b64043d1749961ab2437240e6c02e2c2ca4a704022f776ab5cd7
Markdown42d3d7fe80a4888835c43bd1e1662e2a41573fb8a37d879b25206f81dc6bf838
PDF
Publication paged9411d13f7bf481dbb328512aaeca184ed1ed3fb7f815677b9002fd71a9f61c0
Manifestaca84a661c43ee941260ef0d89fe90d7b9dfebc720cb8fcb5ac718e5af0bbb8b

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
SignaturetGnUR4K2SPbwrGfUMYB+u+mnt5HirDD9c4p80ZXVRNrv7mEesVnLnRXQuy2DcRMbRHlbaM3Lojl/zSh3gxdgDA==
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

2026-09-17T10:41:26.517679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061535
observed d9411d13f7bf481dbb328512aaeca184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.500059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061535/manifest.json
observed aca84a661c43ee941260ef0d89fe90d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.483455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061535/publication.md
observed 42d3d7fe80a4888835c43bd1e1662e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.465731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061535/publication.txt
observed bcb403969718b64043d1749961ab2437...
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.