Pith Number

pith:2Y3TOEL7

pith:2020:2Y3TOEL7T5FSOPW2UUPX3OG6BM

not attested not anchored not stored refs pending

Coordinated Optical and Radar Measurements of Low Velocity Meteors

Peter Brown, Robert J. Weryk

arxiv:2007.04200 v1 · 2020-07-08 · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Y3TOEL7T5FSOPW2UUPX3OG6BM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:24:39.056997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63737117f9f4b273edaa51f7db8de0b0f0a6ec926fe815e9768831cd3e560c2

Aliases

arxiv: 2007.04200 · arxiv_version: 2007.04200v1 · doi: 10.48550/arxiv.2007.04200 · pith_short_12: 2Y3TOEL7T5FS · pith_short_16: 2Y3TOEL7T5FSOPW2 · pith_short_8: 2Y3TOEL7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2Y3TOEL7T5FSOPW2UUPX3OG6BM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d63737117f9f4b273edaa51f7db8de0b0f0a6ec926fe815e9768831cd3e560c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c18f8267dbbbf5c0e52fb20696a65e5e341d4ad2b1dd1baf2ef776035a36a77d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-07-08T15:41:34Z",
    "title_canon_sha256": "3d5cccf6fc22465972087936613c452fb5dcbc7f1da2849f91f14c07382d985d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04200",
    "kind": "arxiv",
    "version": 1
  }
}