Pith Number

pith:WSD6GFDQ

pith:2003:WSD6GFDQRQGZQ7PKVOBXBPZRAR

not attested not anchored not stored refs pending

Cosmic Dispersion Measure from Gamma-Ray Burst Afterglows: Probing the Reionization History and the Burst Environment

Kunihito Ioka

arxiv:astro-ph/0309200 v2 · 2003-09-06 · astro-ph

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\usepackage{pith}
\pithnumber{WSD6GFDQRQGZQ7PKVOBXBPZRAR}

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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

2 papers in Pith

The impact of FRB dispersion measure probability distribution functions on cosmographic estimates

Generalized Distributions of Host Dispersion Measures in the Fast Radio Burst Cosmology

Receipt and verification

First computed	2026-07-04T16:51:36.459308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b487e314708c0d987deaab8370bf31045870a4e89d9ea1148c9ee5bbdf3bbd5f

Aliases

arxiv: astro-ph/0309200 · arxiv_version: astro-ph/0309200v2 · doi: 10.48550/arxiv.astro-ph/0309200 · pith_short_12: WSD6GFDQRQGZ · pith_short_16: WSD6GFDQRQGZQ7PK · pith_short_8: WSD6GFDQ

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/WSD6GFDQRQGZQ7PKVOBXBPZRAR \
  | 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: b487e314708c0d987deaab8370bf31045870a4e89d9ea1148c9ee5bbdf3bbd5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9fb345ec859934a56e29d1dc2c045dd7a659b24eadf3b2315772845e4de6632",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-06T10:04:00Z",
    "title_canon_sha256": "7b97f0ec5254083a47a9902db901f3ac3b5ee7b01cba6294224747dbd94ce301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309200",
    "kind": "arxiv",
    "version": 2
  }
}