Pith Number

pith:STRQFLWF

pith:2013:STRQFLWFTZUASIL7AMANVZNHRM

not attested not anchored not stored refs pending

Classification and analysis of emission-line galaxies using mean field independent component analysis

Chris T. Richardson, Gary J. Ferland, Jack A. Baldwin, James T. Allen, Paul C. Hewett

arxiv:1301.5930 v1 · 2013-01-24 · 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{STRQFLWFTZUASIL7AMANVZNHRM}

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	2026-05-18T01:51:58.715420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e302aec59e6809217f0300dae5a78b05f0897f837c38372fecec8302e84d45

Aliases

arxiv: 1301.5930 · arxiv_version: 1301.5930v1 · doi: 10.48550/arxiv.1301.5930 · pith_short_12: STRQFLWFTZUA · pith_short_16: STRQFLWFTZUASIL7 · pith_short_8: STRQFLWF

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/STRQFLWFTZUASIL7AMANVZNHRM \
  | 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: 94e302aec59e6809217f0300dae5a78b05f0897f837c38372fecec8302e84d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcddf0f6c671e662e17a74361a8c5d8c4ca747dcd44f93507326bb285196d9c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-24T23:05:43Z",
    "title_canon_sha256": "7137a790509810e5fdf50e8f3aea9cd113d3d2317e1940f4dc463fd5d2cad020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5930",
    "kind": "arxiv",
    "version": 1
  }
}