Pith Number

pith:4XA3MTUV

pith:2015:4XA3MTUVK2IPXDEVFRNURVQMKZ

not attested not anchored not stored refs pending

Outer and inner mass distributions of the irregular galaxies UGC 4284 and UGC 11861: Constraining the baryonic content through stellar population synthesis studies

Eric E. Mart\'inez-Garc\'ia, M. Rosado, P. Repetto, R. Gabbasov

arxiv:1504.05921 v1 · 2015-04-22 · 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{4XA3MTUVK2IPXDEVFRNURVQMKZ}

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	2026-05-18T01:38:53.665854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5c1b64e955690fb8c952c5b48d60c566b7c61ac4464f9ea589e0672eb450391

Aliases

arxiv: 1504.05921 · arxiv_version: 1504.05921v1 · doi: 10.48550/arxiv.1504.05921 · pith_short_12: 4XA3MTUVK2IP · pith_short_16: 4XA3MTUVK2IPXDEV · pith_short_8: 4XA3MTUV

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/4XA3MTUVK2IPXDEVFRNURVQMKZ \
  | 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: e5c1b64e955690fb8c952c5b48d60c566b7c61ac4464f9ea589e0672eb450391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4872af4bf60ea52fc8881120c5a738157a35a4be5731ed25ef1d621bc2914805",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-22T18:50:56Z",
    "title_canon_sha256": "f19ed6becb573e3e1b6009da4c58c2d39eb2d8d6066fa3eceba9e6de26b31c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05921",
    "kind": "arxiv",
    "version": 1
  }
}