Pith Number

pith:JJQMFWPL

pith:2011:JJQMFWPLBJCYX6KK4WH7KUIYB5

not attested not anchored not stored refs pending

The spectral energy distribution of the Carina nebula from far infrared to radio wavelengths

Gianluca Polenta, Maria Salatino, Paolo De Bernardis, Silvia Masi

arxiv:1101.1443 v2 · 2011-01-07 · astro-ph.SR · 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{JJQMFWPLBJCYX6KK4WH7KUIYB5}

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	2026-05-18T02:23:00.144169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a60c2d9eb0a458bf94ae58ff551180f6b116ffeb7c4c3c1a451ea18f0af4293

Aliases

arxiv: 1101.1443 · arxiv_version: 1101.1443v2 · doi: 10.48550/arxiv.1101.1443 · pith_short_12: JJQMFWPLBJCY · pith_short_16: JJQMFWPLBJCYX6KK · pith_short_8: JJQMFWPL

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/JJQMFWPLBJCYX6KK4WH7KUIYB5 \
  | 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: 4a60c2d9eb0a458bf94ae58ff551180f6b116ffeb7c4c3c1a451ea18f0af4293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eabdb0969b16b66bf68f2c4616869cb03b168131ec623076ba24cc1dfef1ef7e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-07T14:21:14Z",
    "title_canon_sha256": "fdcacfc623138216bfc5bf07ec242e7807afdc84391b1c5b3389735b1338e203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1443",
    "kind": "arxiv",
    "version": 2
  }
}