Pith Number

pith:Z5BKHEOE

pith:2011:Z5BKHEOE2Q43VAY54IJTJE4IOL

not attested not anchored not stored refs pending

NBursts+phot: parametric recovery of galaxy star formation histories from the simultaneous fitting of spectra and broad-band spectral energy distributions

Igor Chilingarian, Ivan Katkov

arxiv:1112.5191 v1 · 2011-12-21 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5BKHEOE2Q43VAY54IJTJE4IOL}

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	2026-05-18T01:59:03.540936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf42a391c4d439ba831de21334938872c44ffa5533485b7a6acdb56295389c50

Aliases

arxiv: 1112.5191 · arxiv_version: 1112.5191v1 · doi: 10.48550/arxiv.1112.5191 · pith_short_12: Z5BKHEOE2Q43 · pith_short_16: Z5BKHEOE2Q43VAY5 · pith_short_8: Z5BKHEOE

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/Z5BKHEOE2Q43VAY54IJTJE4IOL \
  | 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: cf42a391c4d439ba831de21334938872c44ffa5533485b7a6acdb56295389c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2dbdcaaff7c55bd92183822110ae583769eb85a018b97925f5a9d50bb19c310",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-21T22:14:27Z",
    "title_canon_sha256": "34a95621f737198d9c4e5acfcc130e1a13c240c36bfb3d738610fd9921821250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5191",
    "kind": "arxiv",
    "version": 1
  }
}