Pith Number

pith:FHN45FK2

pith:2001:FHN45FK2UZ6LGVUF4GAP52JHED

not attested not anchored not stored refs pending

Specifying the Environments around GRB, Explaining the Fe line in the X-Ray Afterglow of GRB000214

K. Kotake, S. Nagataki

arxiv:astro-ph/0104485 v4 · 2001-04-30 · 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{FHN45FK2UZ6LGVUF4GAP52JHED}

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	2026-05-18T01:40:44.589496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29dbce955aa67cb35685e180fee92720f0d1cc8dd889dfb11139cf1cb817fc06

Aliases

arxiv: astro-ph/0104485 · arxiv_version: astro-ph/0104485v4 · doi: 10.48550/arxiv.astro-ph/0104485 · pith_short_12: FHN45FK2UZ6L · pith_short_16: FHN45FK2UZ6LGVUF · pith_short_8: FHN45FK2

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/FHN45FK2UZ6LGVUF4GAP52JHED \
  | 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: 29dbce955aa67cb35685e180fee92720f0d1cc8dd889dfb11139cf1cb817fc06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34dc1b904e60fb444d5ee1c5081b85541e30684c8e7cefab415e3281915fb0b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-30T18:16:11Z",
    "title_canon_sha256": "42afffffb375f0c834794a763a101e5f968ef91150df07c386e0366e07ed46bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104485",
    "kind": "arxiv",
    "version": 4
  }
}