Pith Number

pith:MQUM4DQ6

pith:2011:MQUM4DQ6NJIKTP4XSDFBCJUCAM

not attested not anchored not stored refs pending

Uv-to-fir analysis of spitzer/irac sources in the extended groth strip i: Multi-wavelength photometry and spectral energy distributions

Guillermo Barro, J. Gallego, J. Zamorano, M. Kajisawa, M. L. N. Ashby, P.G. Perez-Gonzalez, S. Miyazaki, T. Yamada, V.Villar

arxiv:1101.3308 v1 · 2011-01-17 · 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{MQUM4DQ6NJIKTP4XSDFBCJUCAM}

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	2026-05-18T02:03:39.004137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6428ce0e1e6a50a9bf9790ca112682033582ed644e9075fb4c41b24c2ce5b495

Aliases

arxiv: 1101.3308 · arxiv_version: 1101.3308v1 · doi: 10.48550/arxiv.1101.3308 · pith_short_12: MQUM4DQ6NJIK · pith_short_16: MQUM4DQ6NJIKTP4X · pith_short_8: MQUM4DQ6

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/MQUM4DQ6NJIKTP4XSDFBCJUCAM \
  | 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: 6428ce0e1e6a50a9bf9790ca112682033582ed644e9075fb4c41b24c2ce5b495

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9888e7a76b5c84e58ae7aea813a46c7df2e40998d925067b3c5a9db855deef0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-17T20:59:08Z",
    "title_canon_sha256": "3d6650455265169c3850c115110d2adc17b84bdca6a697c2e2a12385c9272966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3308",
    "kind": "arxiv",
    "version": 1
  }
}