Pith Number

pith:4T2E5P2N

pith:2014:4T2E5P2NCVINWQNWS3N2TWP6ZY

not attested not anchored not stored refs pending

A ~ 12 kpc HI extension and other HI asymmetries in the isolated galaxy CIG 340 (IC 2487)

A. Bosma, C. Sengupta, D. Espada, E. Athanassoula, J. Sulentic, L. Verdes Montenegro, M. Argudo-Fernandez, M. S. Yun, T. C. Scott

arxiv:1405.2594 v1 · 2014-05-11 · 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{4T2E5P2NCVINWQNWS3N2TWP6ZY}

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	2026-05-18T01:43:15.272768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4f44ebf4d1550db41b696dba9d9fece2fca387b394118f23a067a9dc3954768

Aliases

arxiv: 1405.2594 · arxiv_version: 1405.2594v1 · doi: 10.48550/arxiv.1405.2594 · pith_short_12: 4T2E5P2NCVIN · pith_short_16: 4T2E5P2NCVINWQNW · pith_short_8: 4T2E5P2N

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/4T2E5P2NCVINWQNWS3N2TWP6ZY \
  | 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: e4f44ebf4d1550db41b696dba9d9fece2fca387b394118f23a067a9dc3954768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd24c7912f283c10da49c369ceef5708a61c9298cb29984a21059258b25f2736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-11T22:36:17Z",
    "title_canon_sha256": "7a04bb640492853f3f3e2bdb15cc6a51e7f92f7dc201cb2eacb6c59fe8c0041a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2594",
    "kind": "arxiv",
    "version": 1
  }
}