Pith Number

pith:5AUPFIPJ

pith:2013:5AUPFIPJZE4JXJLOH56TIFRLQM

not attested not anchored not stored refs pending

Elliptical galaxies with rapidly decreasing velocity dispersion profiles: NMAGIC models and dark halo parameter estimates for NGC 4494

Inma Martinez-Valpuesta, Lodovico Coccato, Lucia Morganti, Magda Arnaboldi, Ortwin Gerhard

arxiv:1303.2688 v1 · 2013-03-11 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AUPFIPJZE4JXJLOH56TIFRLQM}

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	2026-05-18T01:51:08.586919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e828f2a1e9c9389ba56e3f7d34162b831d1f580e3a384f388241fe17c1ec5f3f

Aliases

arxiv: 1303.2688 · arxiv_version: 1303.2688v1 · doi: 10.48550/arxiv.1303.2688 · pith_short_12: 5AUPFIPJZE4J · pith_short_16: 5AUPFIPJZE4JXJLO · pith_short_8: 5AUPFIPJ

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/5AUPFIPJZE4JXJLOH56TIFRLQM \
  | 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: e828f2a1e9c9389ba56e3f7d34162b831d1f580e3a384f388241fe17c1ec5f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "053c1195667b541cf6a0e2ca9bfdfd64aed72b459b1308aff1557e47efd0debe",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-11T21:00:00Z",
    "title_canon_sha256": "76365fde5f98afdf5bfdef06f769a185642ccfef0a2002708f80edf4fcd88855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2688",
    "kind": "arxiv",
    "version": 1
  }
}