Pith Number

pith:WYSK7ZVW

pith:2019:WYSK7ZVW24FS7JARND3JIKO5RL

not attested not anchored not stored refs pending

Galaxy structure with strong gravitational lensing: decomposing the internal mass distribution of massive elliptical galaxies

Amy Etherington, Andrew P. Cooper, David R. Harvey, James. W. Nightingale, Richard G. Hayes, Richard J. Massey, Sut-Ieng Tam

arxiv:1901.07801 v2 · 2019-01-23 · astro-ph.GA · 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{WYSK7ZVW24FS7JARND3JIKO5RL}

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.

Cited by

1 paper in Pith

Detection of a dark matter subhalo in the strongly lensed system PJ011646

Receipt and verification

First computed	2026-07-05T00:01:39.414695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b624afe6b6d70b2fa41168f69429dd8aecfd25143dba5f167b95e014a3d0680a

Aliases

arxiv: 1901.07801 · arxiv_version: 1901.07801v2 · doi: 10.48550/arxiv.1901.07801 · pith_short_12: WYSK7ZVW24FS · pith_short_16: WYSK7ZVW24FS7JAR · pith_short_8: WYSK7ZVW

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/WYSK7ZVW24FS7JARND3JIKO5RL \
  | 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: b624afe6b6d70b2fa41168f69429dd8aecfd25143dba5f167b95e014a3d0680a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4363813bf31bc30ef5406ec7ba269661cf63f452a3765f02dfdc4577596d711",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-23T10:21:07Z",
    "title_canon_sha256": "8a86409ce71fc7c9849560020e6248d03ddbc98ef2879b1c6a3092b0a73a3f72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07801",
    "kind": "arxiv",
    "version": 2
  }
}