OpenTechnical

OT-2026-000103616

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000103616) never changes.

Identity and time

Publication numberOT-2026-000103616 · never reused
Internal UUID01a0aea4-e461-79b6-bb45-02997c1a28ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103616
StatusPUBLIC

Content hashes

Canonical text753092d625d89d3efe007c536a1e59ee88a13ae7b983d2f08d9b29410ab9e9d8
Markdown10ce78a0b5a46239d671dc5f1287609a3c8c3f6f2c5667ee3b35267a34330b96
PDF
Publication page1cef76747f7268d0b66070d675dfc53d9a9088e67bd24874f6a475e85235095c
Manifestdf9acc68a0ed2bf6804e7f42bb59d48a2e7ea1c72faf5ba139a5f8d3b7caea3b

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
Signature4Xeb73/BzV0bkaM2Cuv+mpxIajg9l2rJJ2ofnNhj7nB//sNCEnukZrVvos6LG93/6ZlNyzJPeUEOJeRsPcivBg==
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

2026-09-17T09:22:24.491274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103616
observed 1cef76747f7268d0b66070d675dfc53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.473314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103616/manifest.json
observed df9acc68a0ed2bf6804e7f42bb59d48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.455999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103616/publication.md
observed 10ce78a0b5a46239d671dc5f1287609a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.439112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103616/publication.txt
observed 753092d625d89d3efe007c536a1e59ee...
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.