Pith Number

pith:4XPTHVZG

pith:2012:4XPTHVZGDLAMYGDAY6DX2L43LC

not attested not anchored not stored refs pending

The nuclear starburst in Arp 299-A: From the 5.0 GHz VLBI radio light-curves to its core-collapse supernova rate

A. Alberdi, M. A. Perez-Torres, M. Bondi, R. Herrero-Illana

arxiv:1201.3220 v1 · 2012-01-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XPTHVZGDLAMYGDAY6DX2L43LC}

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.

Cited by

1 paper in Pith

The PARADIGM Project II: Characterising Nuclear and Diffuse Radio Components in Local U/LIRGs

Receipt and verification

First computed	2026-05-18T01:58:48.888502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5df33d7261ac0cc1860c7877d2f9b588038ba4d1f6090e9344efc5165043579

Aliases

arxiv: 1201.3220 · arxiv_version: 1201.3220v1 · doi: 10.48550/arxiv.1201.3220 · pith_short_12: 4XPTHVZGDLAM · pith_short_16: 4XPTHVZGDLAMYGDA · pith_short_8: 4XPTHVZG

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/4XPTHVZGDLAMYGDAY6DX2L43LC \
  | 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: e5df33d7261ac0cc1860c7877d2f9b588038ba4d1f6090e9344efc5165043579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77bd17630428acb4df60c60dfa652b953c9ea841265e13e7997454f7bb30cd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-16T11:29:37Z",
    "title_canon_sha256": "8708f68155ea7272b1621eb43af41997a41272b47037cd20e79f2a12d0c12702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3220",
    "kind": "arxiv",
    "version": 1
  }
}