Pith Number

pith:GZCIYDFG

pith:2013:GZCIYDFG6XEOA5DIFB2RK5FWF7

not attested not anchored not stored refs pending

CIV Line-Width Anomalies: The Perils of Low S/N Spectra

Bradley M. Peterson, Christopher S. Kochanek, Kelly D. Denney, Marianne Vestergaard, Richard W. Pogge, Roberto J. Assef

arxiv:1303.3889 v2 · 2013-03-15 · 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{GZCIYDFG6XEOA5DIFB2RK5FWF7}

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	2026-05-18T01:51:06.679096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36448c0ca6f5c8e0746828751574b62fdb903eb57bd89a5d03cea547e7259fe3

Aliases

arxiv: 1303.3889 · arxiv_version: 1303.3889v2 · doi: 10.48550/arxiv.1303.3889 · pith_short_12: GZCIYDFG6XEO · pith_short_16: GZCIYDFG6XEOA5DI · pith_short_8: GZCIYDFG

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/GZCIYDFG6XEOA5DIFB2RK5FWF7 \
  | 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: 36448c0ca6f5c8e0746828751574b62fdb903eb57bd89a5d03cea547e7259fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9467b505cbbe103d39ec070a994b5619b99a4a4e7e80ef1cae09dd6cbcdbe351",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-15T20:00:24Z",
    "title_canon_sha256": "eea2bf0888b952f79d307a061cfe1e632210c731ad143193f44190d48b066318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3889",
    "kind": "arxiv",
    "version": 2
  }
}