Pith Number

pith:4LJTOUDJ

pith:2019:4LJTOUDJABWTPWBJHMCDIIWRY5

not attested not anchored not stored refs pending

On the mass segregation of cores and stars

Hayley L. Alcock (1), Richard J. Parker (1) (1. University of Sheffield, UK)

arxiv:1909.07982 v1 · 2019-09-17 · astro-ph.SR · 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{4LJTOUDJABWTPWBJHMCDIIWRY5}

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	2026-07-05T00:09:05.116961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d3375069006d37d8293b043422d1c77bd72a103e4fcd2536dbafdb6f7970ca

Aliases

arxiv: 1909.07982 · arxiv_version: 1909.07982v1 · doi: 10.48550/arxiv.1909.07982 · pith_short_12: 4LJTOUDJABWT · pith_short_16: 4LJTOUDJABWTPWBJ · pith_short_8: 4LJTOUDJ

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/4LJTOUDJABWTPWBJHMCDIIWRY5 \
  | 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: e2d3375069006d37d8293b043422d1c77bd72a103e4fcd2536dbafdb6f7970ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab8e1f454f256c57aa44978fa0fbcd5023ab87ec46f4277d4ede1c2bd7e137c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-17T18:00:01Z",
    "title_canon_sha256": "1c5fdd43b4e2dc252f6dc4fbd755ebc1e4d09f7722855855dec38044352126dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07982",
    "kind": "arxiv",
    "version": 1
  }
}