Pith Number

pith:PWHNERDX

pith:2016:PWHNERDXZPSAZFQL2EUIEK7E52

not attested not anchored not stored refs pending

Understanding the internal dynamics of elliptical galaxies without non-baryonic dark matter

B. Famaey, J. Dabringhausen, M. Fellhauer, P. Kroupa

arxiv:1608.02939 v1 · 2016-08-09 · 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{PWHNERDXZPSAZFQL2EUIEK7E52}

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	2026-05-18T01:09:30.584517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8ed24477cbe40c960bd128822be4eeba44db21d4168f943a516ce51f3556f3

Aliases

arxiv: 1608.02939 · arxiv_version: 1608.02939v1 · doi: 10.48550/arxiv.1608.02939 · pith_short_12: PWHNERDXZPSA · pith_short_16: PWHNERDXZPSAZFQL · pith_short_8: PWHNERDX

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/PWHNERDXZPSAZFQL2EUIEK7E52 \
  | 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: 7d8ed24477cbe40c960bd128822be4eeba44db21d4168f943a516ce51f3556f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "146e94d3f15566bd5d3d3f83d5102e942430ec09ff8413cd8a7496f2c81c6abc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-09T20:00:03Z",
    "title_canon_sha256": "8a86f9cac61908a99638a539dcf3f736bfc469f33732e8521791b5a9887d13ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02939",
    "kind": "arxiv",
    "version": 1
  }
}