Pith Number

pith:4YMFL74M

pith:2008:4YMFL74MPRL2GZDV3POOXKUHN4

not attested not anchored not stored refs pending

Understanding Compact Object Formation and Natal Kicks: II. The case of XTE J1118+480

B. Willems, C. L. Fryer, G. Rockefeller, N. Ivanova, P. A. Young, T. Fragos, V. Kalogera

arxiv:0809.1588 v1 · 2008-09-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YMFL74MPRL2GZDV3POOXKUHN4}

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	2026-05-18T04:29:32.829653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61855ff8c7c57a36475dbdcebaa876f09dc060a1f4197e7137a080b990e6200

Aliases

arxiv: 0809.1588 · arxiv_version: 0809.1588v1 · doi: 10.48550/arxiv.0809.1588 · pith_short_12: 4YMFL74MPRL2 · pith_short_16: 4YMFL74MPRL2GZDV · pith_short_8: 4YMFL74M

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/4YMFL74MPRL2GZDV3POOXKUHN4 \
  | 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: e61855ff8c7c57a36475dbdcebaa876f09dc060a1f4197e7137a080b990e6200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f9b392c061ddde98b92ee2bfcbc83f2672323b5f8474ba0f399f44d27844ca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-09T15:51:50Z",
    "title_canon_sha256": "4806eabf6cd787ed663bd5859c595d3fb6e160f9be20a654b7809e9fe2f76ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1588",
    "kind": "arxiv",
    "version": 1
  }
}