Pith Number

pith:F4BEM4XO

pith:2012:F4BEM4XOUK7ZYQKILTAOPVW2CN

not attested not anchored not stored refs pending

Observed versus modelled u,g,r,i,z-band photometry of local galaxies - Evaluation of model performance

Eva K. Grebel, K. S. Alexander Hansson, Thorsten Lisker

arxiv:1207.5537 v1 · 2012-07-23 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4BEM4XOUK7ZYQKILTAOPVW2CN}

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	2026-05-18T01:56:08.736956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f024672eea2bf9c41485cc0e7d6da137b876a1568fbab15546ab88af5380f8f

Aliases

arxiv: 1207.5537 · arxiv_version: 1207.5537v1 · doi: 10.48550/arxiv.1207.5537 · pith_short_12: F4BEM4XOUK7Z · pith_short_16: F4BEM4XOUK7ZYQKI · pith_short_8: F4BEM4XO

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/F4BEM4XOUK7ZYQKILTAOPVW2CN \
  | 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: 2f024672eea2bf9c41485cc0e7d6da137b876a1568fbab15546ab88af5380f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12b69419ceda1b63f40637e246c58e675a6f98d4ee7fa0d96890b56121dc4ca7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-23T21:15:19Z",
    "title_canon_sha256": "03c724119594b69270d34d684d1d349c114c951ecf9ebbbc1a90f1b8a82e7ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5537",
    "kind": "arxiv",
    "version": 1
  }
}