Pith Number

pith:WJM7FKIC

pith:2015:WJM7FKICX3KDUJYLYCXZOYRGPE

not attested not anchored not stored refs pending

Star formation in the outer regions of the early type galaxy NGC 4203

Emin Karabal, Jean-Charles Cuillandre, Mustafa K. Y{\i}ld{\i}z, Paolo Serra, Pierre-Alain Duc, Raffaella Morganti, Reynier F. Peletier, Tom A. Oosterloo

arxiv:1505.02981 v1 · 2015-05-12 · 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{WJM7FKICX3KDUJYLYCXZOYRGPE}

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	2026-05-18T01:04:50.592945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b259f2a902bed43a270bc0af976226790ac673f20d372f63a7900ddeffba3cb0

Aliases

arxiv: 1505.02981 · arxiv_version: 1505.02981v1 · doi: 10.48550/arxiv.1505.02981 · pith_short_12: WJM7FKICX3KD · pith_short_16: WJM7FKICX3KDUJYL · pith_short_8: WJM7FKIC

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/WJM7FKICX3KDUJYLYCXZOYRGPE \
  | 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: b259f2a902bed43a270bc0af976226790ac673f20d372f63a7900ddeffba3cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5627033e43d9c11efea2068848adcd42fc1386dc14dd5626bc562bae8e859db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-12T12:35:58Z",
    "title_canon_sha256": "e7d5a6276b696ece742441af507c29d1cc05ddb9c4f74a144bf73b19f05e151b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02981",
    "kind": "arxiv",
    "version": 1
  }
}