Pith Number

pith:DPDDKJTN

pith:2018:DPDDKJTNS6CBCI2I4KO23VYBUQ

not attested not anchored not stored refs pending

On Approximation Methods in the Study of Boson Stars

Joshua Eby, Lauren Street, L.C.R. Wijewardhana, Madelyn Leembruggen, Peter Suranyi

arxiv:1809.08598 v2 · 2018-09-23 · hep-ph · 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{DPDDKJTNS6CBCI2I4KO23VYBUQ}

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	2026-05-17T23:57:35.820469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc635266d9784112348e29dadd701a436b5e7bc64fe4601b5d9bb9de692a8a6

Aliases

arxiv: 1809.08598 · arxiv_version: 1809.08598v2 · doi: 10.48550/arxiv.1809.08598 · pith_short_12: DPDDKJTNS6CB · pith_short_16: DPDDKJTNS6CBCI2I · pith_short_8: DPDDKJTN

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/DPDDKJTNS6CBCI2I4KO23VYBUQ \
  | 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: 1bc635266d9784112348e29dadd701a436b5e7bc64fe4601b5d9bb9de692a8a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1c16ce9641298a51d1d2ea8b8dc69911883645b504e5ac9b3c1e206c6840d05",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-09-23T13:43:35Z",
    "title_canon_sha256": "4c4abbb966660ff783e6a32e460fa00fed23b3d4f014d689106942e8d312ca19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08598",
    "kind": "arxiv",
    "version": 2
  }
}