Pith Number

pith:ILJZEPY7

pith:2004:ILJZEPY7UF2I3CAS3SMPOJVUKY

not attested not anchored not stored refs pending

On the jet structure and magnetic field configuration of GRB 020813

A. J. Castro-Tirado, A. S. Fruchter, D. Lazzati, D. Malesani, E. Le Floc'h, E. Palazzi, E. Pian, E. Rol, E. Rossi, E. van den Heuvel, F. Mirabel, F. M. Zerbi, G. Ghisellini, G. L. Israel, G. Ricker, G. Tagliaferri, J. D. Salmonson, J. Gorosabel, J. Hjorth, J. M. Castro Cer\'on, J. P. U. Fynbo, J. Rhoads, L. Kaper, L. Stella, M. Della Valle, N. Kawai, N. Masetti, N. Tanvir, P. Goldoni, P. Mazzali, P. Moller, R. A. M. J. Wijers, S. Covino, S. di Serego Alighieri, S. Ortolani

arxiv:astro-ph/0401315 v2 · 2004-01-15 · 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{ILJZEPY7UF2I3CAS3SMPOJVUKY}

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	2026-07-04T15:31:16.500125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d3923f1fa1748d8812dc98f726b45626203051e36e63a52b2b5173c3ae1104

Aliases

arxiv: astro-ph/0401315 · arxiv_version: astro-ph/0401315v2 · doi: 10.48550/arxiv.astro-ph/0401315 · pith_short_12: ILJZEPY7UF2I · pith_short_16: ILJZEPY7UF2I3CAS · pith_short_8: ILJZEPY7

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/ILJZEPY7UF2I3CAS3SMPOJVUKY \
  | 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: 42d3923f1fa1748d8812dc98f726b45626203051e36e63a52b2b5173c3ae1104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9643e91d3532ea98f6ee9a6ad946dbedbe0b99da53b0579d6207b291df52c47b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-15T20:00:55Z",
    "title_canon_sha256": "494d9a080fdc02d167d5745084935b28fb425284efbdbc759a32c39c8d4f99a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401315",
    "kind": "arxiv",
    "version": 2
  }
}