Pith Number

pith:BGAEX2I4

pith:2017:BGAEX2I47Y6N4ZHTVUCO4QW3MR

not attested not anchored not stored refs pending

The SLUGGS Survey: The Inner Dark Matter Density Slope of the Massive Elliptical Galaxy NGC 1407

Aaron J. Romanowsky, Adebusola Alabi, Alexa Villaume, Asher Wasserman, Charlie Conroy, Duncan A. Forbes, Jay Strader, Jean Brodie, Pieter van Dokkum, Sabine Bellstedt

arxiv:1712.01229 v1 · 2017-12-04 · 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{BGAEX2I47Y6N4ZHTVUCO4QW3MR}

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	2026-05-18T00:07:00.897799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09804be91cfe3cde64f3ad04ee42db644fd2fd3eacf37d5b0e09050fcb664b57

Aliases

arxiv: 1712.01229 · arxiv_version: 1712.01229v1 · doi: 10.48550/arxiv.1712.01229 · pith_short_12: BGAEX2I47Y6N · pith_short_16: BGAEX2I47Y6N4ZHT · pith_short_8: BGAEX2I4

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/BGAEX2I47Y6N4ZHTVUCO4QW3MR \
  | 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: 09804be91cfe3cde64f3ad04ee42db644fd2fd3eacf37d5b0e09050fcb664b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c0a76dbe501d83323533eac549d302c723a1a21132747781f4800e31ec72299",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-04T18:10:09Z",
    "title_canon_sha256": "5f655f0b72668f659fb8c121884466fac52c8a9d8aa2f3b694bb1ecf7ee35bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01229",
    "kind": "arxiv",
    "version": 1
  }
}