Pith Number

pith:BIPT7PIK

pith:2007:BIPT7PIK563UYR7CIKR73IGOBZ

not attested not anchored not stored refs pending

Adaptive Optics Discovery of Supernova 2004ip in the Nuclear Regions of the Luminous Infrared Galaxy IRAS 18293-3413

A. Efstathiou, C. Fransson, D. Farrah, G. Ostlin, J. Sollerman, P. Lira, P. Lundqvist, P. Vaisanen, S. Mattila, S. Ryder, T. Dahlen, W.P.S. Meikle

arxiv:astro-ph/0702591 v2 · 2007-02-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIPT7PIK563UYR7CIKR73IGOBZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:37:01.125955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1f3fbd0aefb74c47e242a3fda0ce0e67b0dc2c3fe0ac93ab7411ed232fc493

Aliases

arxiv: astro-ph/0702591 · arxiv_version: astro-ph/0702591v2 · doi: 10.48550/arxiv.astro-ph/0702591 · pith_short_12: BIPT7PIK563U · pith_short_16: BIPT7PIK563UYR7C · pith_short_8: BIPT7PIK

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/BIPT7PIK563UYR7CIKR73IGOBZ \
  | 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: 0a1f3fbd0aefb74c47e242a3fda0ce0e67b0dc2c3fe0ac93ab7411ed232fc493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63fb0a21a45583b6a0e58386e5cff2ba449711e17ac88eeac29ceecd74226fd0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-21T21:55:38Z",
    "title_canon_sha256": "f466627019bc5937ef33b929303d623aa6353cb8e557f7c9f9f2385eda913aa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702591",
    "kind": "arxiv",
    "version": 2
  }
}