Pith Number

pith:R4B7UXHQ

pith:2005:R4B7UXHQECSD7LWZI4ZU6HAPRS

not attested not anchored not stored refs pending

Implications for the Cosmic Reionization from the Optical Afterglow Spectrum of the Gamma-Ray Burst 050904 at z = 6.3

(2) TITech, (3) NAO), George Kosugi (3), Kentaro Aoki (3), Kouji Ohta (1), Masanori Iye (3), Nobuyuki Kawai (2), Takashi Hattori (3) ((1) Kyoto, Tomonori Totani (1), Toru Yamada (3)

arxiv:astro-ph/0512154 v3 · 2005-12-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4B7UXHQECSD7LWZI4ZU6HAPRS}

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	2026-05-18T01:40:32.936086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f03fa5cf020a43faed947334f1c0f8cbc661c7194ef143cfe98c16202f020d6

Aliases

arxiv: astro-ph/0512154 · arxiv_version: astro-ph/0512154v3 · doi: 10.48550/arxiv.astro-ph/0512154 · pith_short_12: R4B7UXHQECSD · pith_short_16: R4B7UXHQECSD7LWZ · pith_short_8: R4B7UXHQ

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/R4B7UXHQECSD7LWZI4ZU6HAPRS \
  | 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: 8f03fa5cf020a43faed947334f1c0f8cbc661c7194ef143cfe98c16202f020d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86239e9754367c314f15a8e3d76e2f82a2b8871de3b1d97df15b559b32101ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-06T15:48:33Z",
    "title_canon_sha256": "69635072bf834d5c77514419439e40d72f9cafaad16cb286fdba065fbea805ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512154",
    "kind": "arxiv",
    "version": 3
  }
}