Pith Number

pith:JKX2KPLD

pith:2018:JKX2KPLDU3BG2HTAXJTFCDZRXN

not attested not anchored not stored refs pending

Reconciling mass-estimates of ultra-diffuse galaxies

Adriano Agnello, Chervin F. P. Laporte, Julio F. Navarro

arxiv:1804.04139 v2 · 2018-04-11 · 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{JKX2KPLDU3BG2HTAXJTFCDZRXN}

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	2026-05-17T23:59:17.387690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aafa53d63a6c26d1e60ba66510f31bb67cb49a89f8eb22efb1fcc3dc6f0147c

Aliases

arxiv: 1804.04139 · arxiv_version: 1804.04139v2 · doi: 10.48550/arxiv.1804.04139 · pith_short_12: JKX2KPLDU3BG · pith_short_16: JKX2KPLDU3BG2HTA · pith_short_8: JKX2KPLD

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/JKX2KPLDU3BG2HTAXJTFCDZRXN \
  | 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: 4aafa53d63a6c26d1e60ba66510f31bb67cb49a89f8eb22efb1fcc3dc6f0147c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc15a4626d0259350a73d4a862536d4fe0998179d4cf8b468c85e54ae83e9f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-11T18:00:05Z",
    "title_canon_sha256": "5f6fcbc620942955443a0704a10993ccc22e0727718125d78f4d54b721f37f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04139",
    "kind": "arxiv",
    "version": 2
  }
}