Pith Number

pith:UEUNMHBI

pith:2019:UEUNMHBI3DZQFH323BLZMHBV3G

not attested not anchored not stored refs pending

Fundamental Physics with Radio Millisecond Pulsars

Emmanuel Fonseca, Ingrid H. Stairs, Paul B. Demorest, Scott M. Ransom

arxiv:1903.08194 v1 · 2019-03-19 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEUNMHBI3DZQFH323BLZMHBV3G}

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	2026-05-17T23:50:50.099708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a128d61c28d8f3029f7ad857961c35d983f845d685190b8829e802d699bdd803

Aliases

arxiv: 1903.08194 · arxiv_version: 1903.08194v1 · doi: 10.48550/arxiv.1903.08194 · pith_short_12: UEUNMHBI3DZQ · pith_short_16: UEUNMHBI3DZQFH32 · pith_short_8: UEUNMHBI

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/UEUNMHBI3DZQFH323BLZMHBV3G \
  | 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: a128d61c28d8f3029f7ad857961c35d983f845d685190b8829e802d699bdd803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75bfb03ebaf3e358742df94f5e19095a7fa362fec6e669004e8776e646e6ebf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-19T18:10:16Z",
    "title_canon_sha256": "8800a158c9a191f6b5635f5eba6c9029838e02a1e8fa29d4fbb99a3a388ba5c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08194",
    "kind": "arxiv",
    "version": 1
  }
}