Pith Number

pith:FZBFNVJ2

pith:2012:FZBFNVJ2ZUD75QIOJBO5VZISQQ

not attested not anchored not stored refs pending

Post-starburst Tidal Tails in the Archetypical Ultra Luminous Infrared Galaxy Arp 220

J. Koda, K. Matsubayashi, M. Kajisawa, T. Murayama, T. Nagao, Y. Ideue, Y. Ohyama, Y. Shioya, Y. Taniguchi

arxiv:1205.0302 v1 · 2012-05-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZBFNVJ2ZUD75QIOJBO5VZISQQ}

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	2026-05-18T01:57:39.150274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4256d53acd07fec10e485ddae5128425290e23085fdcac748730ca19c0a398

Aliases

arxiv: 1205.0302 · arxiv_version: 1205.0302v1 · doi: 10.48550/arxiv.1205.0302 · pith_short_12: FZBFNVJ2ZUD7 · pith_short_16: FZBFNVJ2ZUD75QIO · pith_short_8: FZBFNVJ2

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/FZBFNVJ2ZUD75QIOJBO5VZISQQ \
  | 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: 2e4256d53acd07fec10e485ddae5128425290e23085fdcac748730ca19c0a398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da935734e4776325cf6c6f8ec85b492c498dd803e44d2634c8b52bbcb33f08e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-02T01:52:28Z",
    "title_canon_sha256": "3e0f72f0d59419f52276f127a81788eed2eaba4c269be6795a15025b84e42fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0302",
    "kind": "arxiv",
    "version": 1
  }
}