Pith Number

pith:TJP5PPPB

pith:2019:TJP5PPPBTF37XLW637HS6ST3Y4

not attested not anchored not stored refs pending

Cosmology-independent estimate of the fraction of baryon mass in the IGM from fast radio burst observations

Bing Zhang, He Gao, Jun-Jie Wei, Yuan-Pei Yang, Zhengxiang Li, Zong-Hong Zhu

arxiv:1904.08927 v2 · 2019-04-15 · astro-ph.CO · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJP5PPPBTF37XLW637HS6ST3Y4}

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	2026-05-17T23:44:54.237510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5fd7bde19977fbaededfcf2f4a7bc718bce70de5274288215b5ec293101d4e

Aliases

arxiv: 1904.08927 · arxiv_version: 1904.08927v2 · doi: 10.48550/arxiv.1904.08927 · pith_short_12: TJP5PPPBTF37 · pith_short_16: TJP5PPPBTF37XLW6 · pith_short_8: TJP5PPPB

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/TJP5PPPBTF37XLW637HS6ST3Y4 \
  | 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: 9a5fd7bde19977fbaededfcf2f4a7bc718bce70de5274288215b5ec293101d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dde1ab0ab0409798fdf7015ef0e5ea6264f98b9357a3aef79bebf795f488af1",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-15T18:00:00Z",
    "title_canon_sha256": "737e547170fa7e58c7816d4a8434e7d9e22d15494f34e3ef90ae1ffa19b54b98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08927",
    "kind": "arxiv",
    "version": 2
  }
}