Pith Number

pith:I2QMLHFH

pith:2019:I2QMLHFHXBCQETZ47T34BZW2CZ

not attested not anchored not stored refs pending

Evolution of dwarf galaxies hosting GW150914-like events

L. Graziani, M. Alparone, M. Ginolfi, M. Mapelli, M. Spera, R. Schneider, S. Marassi

arxiv:1901.04494 v2 · 2019-01-14 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2QMLHFHXBCQETZ47T34BZW2CZ}

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	2026-05-17T23:56:12.298706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46a0c59ca7b845024f3cfcf7c0e6da1646d44e6c2dd23be362442198fd6fd2d3

Aliases

arxiv: 1901.04494 · arxiv_version: 1901.04494v2 · doi: 10.48550/arxiv.1901.04494 · pith_short_12: I2QMLHFHXBCQ · pith_short_16: I2QMLHFHXBCQETZ4 · pith_short_8: I2QMLHFH

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/I2QMLHFHXBCQETZ47T34BZW2CZ \
  | 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: 46a0c59ca7b845024f3cfcf7c0e6da1646d44e6c2dd23be362442198fd6fd2d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92d837c46f97eda0a60397196bd578f340a22d58f0c49d8c2aa9ba2f318a4ed",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-14T19:00:01Z",
    "title_canon_sha256": "993f31ec5e475b79b433bcee6b8b07c476921d50c3ac8af2f5e415e9ab669100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04494",
    "kind": "arxiv",
    "version": 2
  }
}