Pith Number

pith:ALPCGSVM

pith:2019:ALPCGSVMY7CJ6V6DASWLYUWQJW

not attested not anchored not stored refs pending

Why are some galaxy clusters underluminous? The very low concentration of the CL2015 mass profile

A. Moretti, C. H. Ishwara-Chandra, G. Trinchieri, S. Andreon

arxiv:1909.11491 v1 · 2019-09-25 · astro-ph.CO · 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{ALPCGSVMY7CJ6V6DASWLYUWQJW}

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

The Treble Clef radio phoenix and its old nonthermal filaments

Receipt and verification

First computed	2026-07-05T00:08:40.355635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02de234aacc7c49f57c304acbc52d04dbc5e00ac419b2aefe8f900abbc4a2c8b

Aliases

arxiv: 1909.11491 · arxiv_version: 1909.11491v1 · doi: 10.48550/arxiv.1909.11491 · pith_short_12: ALPCGSVMY7CJ · pith_short_16: ALPCGSVMY7CJ6V6D · pith_short_8: ALPCGSVM

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/ALPCGSVMY7CJ6V6DASWLYUWQJW \
  | 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: 02de234aacc7c49f57c304acbc52d04dbc5e00ac419b2aefe8f900abbc4a2c8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddbb3287defa35a90f1ff88c7fea96fda6dbc309343e37ca9e2925fbb9fffa09",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-09-25T13:44:12Z",
    "title_canon_sha256": "d9c757a9a373eaec7fa4f631333c75c021fbaab09260dc5217b9f7055e8c73fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11491",
    "kind": "arxiv",
    "version": 1
  }
}