Pith Number

pith:D25VX2KN

pith:2019:D25VX2KNNUHWDET3A67W6PUTXC

not attested not anchored not stored refs pending

The quantity of dark matter in early-type galaxies and its relation to the environment

A. Nigoche-Netro, A. Ruelas-Mayorga, E. De la Fuente, G. Ramos-Larios, J. Mendez-Abreu, P. Lagos, R. J. Diaz, S. N. Kemp

arxiv:1906.11161 v1 · 2019-06-26 · 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{D25VX2KNNUHWDET3A67W6PUTXC}

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	2026-05-17T23:41:07.353125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ebb5be94d6d0f61927b07bf6f3e93b89aa8dbb3db294a1c181d9877908978de

Aliases

arxiv: 1906.11161 · arxiv_version: 1906.11161v1 · doi: 10.48550/arxiv.1906.11161 · pith_short_12: D25VX2KNNUHW · pith_short_16: D25VX2KNNUHWDET3 · pith_short_8: D25VX2KN

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/D25VX2KNNUHWDET3A67W6PUTXC \
  | 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: 1ebb5be94d6d0f61927b07bf6f3e93b89aa8dbb3db294a1c181d9877908978de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6e8e2d496f9d6163843dc1f002e764a4f449f295be24a9086426dd82594b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-26T15:25:00Z",
    "title_canon_sha256": "73ea1f584e7535dce919ae145eb75673c467e8806a6979861782c661b889c78b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11161",
    "kind": "arxiv",
    "version": 1
  }
}