Pith Number

pith:MFB7WIM5

pith:2007:MFB7WIM55SI3WZDOET5NQ6M3KU

not attested not anchored not stored refs pending

Principal Component Analysis of Gamma-Ray Bursts' Spectra

A. Meszaros, F. Ryde, I. Horvath, L. Borgonovo, L.G. Balazs, S. Larsson, Z. Bagoly

arxiv:0705.0249 v1 · 2007-05-02 · 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{MFB7WIM55SI3WZDOET5NQ6M3KU}

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	2026-05-18T02:16:31.247829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6143fb219dec91bb646e24fad8799b55261d2b1e992c31f283e356d469690494

Aliases

arxiv: 0705.0249 · arxiv_version: 0705.0249v1 · doi: 10.48550/arxiv.0705.0249 · pith_short_12: MFB7WIM55SI3 · pith_short_16: MFB7WIM55SI3WZDO · pith_short_8: MFB7WIM5

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/MFB7WIM55SI3WZDOET5NQ6M3KU \
  | 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: 6143fb219dec91bb646e24fad8799b55261d2b1e992c31f283e356d469690494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee6ad35e486472619452bf09b18a77a0b04922ba25958486de7a7eb2c5e43444",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-02T10:46:28Z",
    "title_canon_sha256": "c2a94b7ccdbf10ddf954e8fb7da164d9a4b408f6216ea494e860c0041ef79151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0249",
    "kind": "arxiv",
    "version": 1
  }
}