OpenTechnical

OT-2026-000049926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000049926) never changes.

Identity and time

Publication numberOT-2026-000049926 · never reused
Internal UUID01a0ae81-fd76-742b-b4bb-4fa7eaeefca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049926
StatusPUBLIC

Content hashes

Canonical textbade2a08ad0660d3e7b9822666ab273aba04d19dc56ad36dee8ecc08e140ff66
Markdown456faefdd6124093f14614ff88890b74096108d9dde648a63fe415dd1c80ca29
PDF
Publication pagefe8c8c44015a892b5b57398f55ac4e81b456e1a35005f565d3be64c619831d70
Manifest2d072dcbde7f19beb14111964c6e13de9edf08478876eda1f65586e777b01778

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
SignatureNguK6Eb9J1fg7eAwBJWa7u0izfvUWrTel/Evhnl8n0MIVuoZHoigiq0S2GPvqEyiwqMugsFxJV4jZzxj8nGzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:51.337944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049926
observed fe8c8c44015a892b5b57398f55ac4e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.306693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049926/manifest.json
observed 2d072dcbde7f19beb14111964c6e13de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.285741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049926/publication.md
observed 456faefdd6124093f14614ff88890b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.264353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049926/publication.txt
observed bade2a08ad0660d3e7b9822666ab273a...
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.