Pith Number

pith:PDRTY3A4

pith:2019:PDRTY3A4L3YRBJOO6ID54W2S45

not attested not anchored not stored refs pending

Bondi-Hoyle-Lyttleton Accretion onto Star Clusters

Andrea Antoni, Enrico Ramirez-Ruiz, Nicholas Kaaz

arxiv:1901.03649 v2 · 2019-01-11 · astro-ph.HE · 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{PDRTY3A4L3YRBJOO6ID54W2S45}

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	2026-05-17T23:44:57.805826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e33c6c1c5ef110a5cef207de5b52e76ec71ad9de73aaab72ce50850be7ffb5

Aliases

arxiv: 1901.03649 · arxiv_version: 1901.03649v2 · doi: 10.48550/arxiv.1901.03649 · pith_short_12: PDRTY3A4L3YR · pith_short_16: PDRTY3A4L3YRBJOO · pith_short_8: PDRTY3A4

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/PDRTY3A4L3YRBJOO6ID54W2S45 \
  | 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: 78e33c6c1c5ef110a5cef207de5b52e76ec71ad9de73aaab72ce50850be7ffb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb85f65e82bdfb0ade55e58f85270355c89ebaaee0abe8060486eaf4bde8528",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-11T16:53:11Z",
    "title_canon_sha256": "4315e42fba1194febbf66ede18fb8bbe7730c7270b0f64e4d3b16143e1f2edbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03649",
    "kind": "arxiv",
    "version": 2
  }
}