Pith Number

pith:FNSRI3FM

pith:2005:FNSRI3FMAPE44VMRUZIQYYE6DT

not attested not anchored not stored refs pending

A log N(HI) = 22.6 DLA in a dark gamma-ray burst: the environment of GRB 050401

(2) ESO, A. C. Andersen (1), A. Levan, A. P. Beardmore, A. Pozanenko, A. Smette (2), B. L. Jensen, Chile), C. Ledoux (2), Copenhagen, D. Bersier, D. Diaz-Fraile, D. Sharapov, D. Watson (1), G. Kosugi, J. Gorosabel, J. Hjorth (1), J. Masegosa, J. M. Castro Cer\'on, J. N\"ar\"anen, J. N. Reeves, J. P. U. Fynbo (1), J. Sollerman, K. Aoki, K. L. Page, K. Pedersen, K. Torstensson, K. Wiersema ((1) DARK, N. Kawai, N. Tanvir, P. D'Avanzo, P. Hirst, P. Jakobsson, P. Laursen, P. Vreeswijk (2), R. L. C. Starling, T. Augusteijn, T. Shahbaz, V. Rumyantsev

arxiv:astro-ph/0510368 v4 · 2005-10-12 · 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{FNSRI3FMAPE44VMRUZIQYYE6DT}

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	2026-05-18T01:08:58.870999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b65146cac03c9ce5591a6510c609e1cce3c58ad8cb880543d51e66647af9f2d

Aliases

arxiv: astro-ph/0510368 · arxiv_version: astro-ph/0510368v4 · doi: 10.48550/arxiv.astro-ph/0510368 · pith_short_12: FNSRI3FMAPE4 · pith_short_16: FNSRI3FMAPE44VMR · pith_short_8: FNSRI3FM

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/FNSRI3FMAPE44VMRUZIQYYE6DT \
  | 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: 2b65146cac03c9ce5591a6510c609e1cce3c58ad8cb880543d51e66647af9f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f72fa334b9299228a48b4093bd3f0d0f4f2a0300fda82b590ed1d651e4405ed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-12T20:01:50Z",
    "title_canon_sha256": "2ee0ec6992fd8471139af8cb03365e0d0d5fbb85e6cbdb0e9dc6e215ff85a5cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510368",
    "kind": "arxiv",
    "version": 4
  }
}