Pith Number

pith:CIZZHSH3

pith:2009:CIZZHSH3T6T5GNH6IVTQOYNFG7

not attested not anchored not stored refs pending

Full Polarization Spectra of 3C 279

(2) Purdue University, (3) University of Michigan, (4) Brandeis University), D. C. Homan (1), H. D. Aller (3), J. F. C. Wardle (4) ((1) Denison University, M. F. Aller (3), M. L. Lister (2)

arxiv:0902.0810 v1 · 2009-02-04 · 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{CIZZHSH3T6T5GNH6IVTQOYNFG7}

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	2026-05-18T04:29:16.828794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123393c8fb9fa7d334fe45670761a537cc22c8bb8ba466f37b84096b7153dfa7

Aliases

arxiv: 0902.0810 · arxiv_version: 0902.0810v1 · doi: 10.48550/arxiv.0902.0810 · pith_short_12: CIZZHSH3T6T5 · pith_short_16: CIZZHSH3T6T5GNH6 · pith_short_8: CIZZHSH3

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/CIZZHSH3T6T5GNH6IVTQOYNFG7 \
  | 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: 123393c8fb9fa7d334fe45670761a537cc22c8bb8ba466f37b84096b7153dfa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cbe1c74bb7f65b2ae8be9914b6bdb013d738ea27cc2f0f8293faf01968dabf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-04T22:02:25Z",
    "title_canon_sha256": "15d8cb0e044529902f7bfc91861d6accafdcb6befbd2bfe8bf392f33ca49ea31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0810",
    "kind": "arxiv",
    "version": 1
  }
}