Pith Number

pith:HWDJ7Z3H

pith:2019:HWDJ7Z3HOKM4BCMFT3JAAXVTHO

not attested not anchored not stored refs pending

Constraining the era of helium reionization using fast radio bursts

B. Stappers, C. Flynn, M. Caleb

arxiv:1902.06981 v1 · 2019-02-19 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWDJ7Z3HOKM4BCMFT3JAAXVTHO}

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.

Cited by

1 paper in Pith

Searching for links between energetic millisecond pulsars and repeating fast radio bursts

Receipt and verification

First computed	2026-05-17T23:52:01.117714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d869fe7677299c089859ed2005eb33bb70296146e01bc1dd529da2ba0bac31b

Aliases

arxiv: 1902.06981 · arxiv_version: 1902.06981v1 · doi: 10.48550/arxiv.1902.06981 · pith_short_12: HWDJ7Z3HOKM4 · pith_short_16: HWDJ7Z3HOKM4BCMF · pith_short_8: HWDJ7Z3H

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/HWDJ7Z3HOKM4BCMFT3JAAXVTHO \
  | 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: 3d869fe7677299c089859ed2005eb33bb70296146e01bc1dd529da2ba0bac31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a473ecca69e4095af8ff0a813def7b6b8f047e0ec5b0dd36f96458942c828421",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-19T10:33:42Z",
    "title_canon_sha256": "2daed8c49b8d66b1bac3883296c18e8f5c183c723d469951a1f3cec53dfd1ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06981",
    "kind": "arxiv",
    "version": 1
  }
}