OpenTechnical

OT-2026-000103025

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103025) never changes.

Identity and time

Publication numberOT-2026-000103025 · never reused
Internal UUID01a0aea4-be3d-735e-91c1-6907f6c3df9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103025
StatusPUBLIC

Content hashes

Canonical text74b0142029288e45b22242f876419994a548d8bc494428eda2844a3b701f4c90
Markdown672c76fa95ac653a918558ea4956425f4c87e1a9a8d626367e85193861193666
PDF
Publication page4ee7f6587a32f3a966a3c1fcff2bb64a84fdd0c151896a74bd6fcb204c57934c
Manifest492692ea03c2058ddaefbc42a07fe8417ed6a0e26d232bd957b596c857a11d75

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
SignatureUD8XY8icCn+cd8uzyQvAX3qDlTbHc4qWgOF7mMpQ6xA7BslshiFzGX+/NDt+yuvAKmub13PCgVGmrs5dGFqlAw==
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

2026-09-17T09:23:08.700950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103025
observed 4ee7f6587a32f3a966a3c1fcff2bb64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.683183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103025/manifest.json
observed 492692ea03c2058ddaefbc42a07fe841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.666891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103025/publication.md
observed 672c76fa95ac653a918558ea4956425f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.648719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103025/publication.txt
observed 74b0142029288e45b22242f876419994...
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.