Pith Number

pith:NTBGYNIM

pith:2006:NTBGYNIMKVDIM4FZLFXEQZWH4P

not attested not anchored not stored refs pending

Ultra-compact (X-ray) binaries

G. Nelemans (Nijmegen), P.G. Jonker (SRON/Harvard)

arxiv:astro-ph/0605722 v1 · 2006-05-30 · 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{NTBGYNIMKVDIM4FZLFXEQZWH4P}

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	2026-05-18T01:40:30.261419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc26c350c55468670b9596e4866c7e3de25907657fc85b573c91eb4d868faea

Aliases

arxiv: astro-ph/0605722 · arxiv_version: astro-ph/0605722v1 · doi: 10.48550/arxiv.astro-ph/0605722 · pith_short_12: NTBGYNIMKVDI · pith_short_16: NTBGYNIMKVDIM4FZ · pith_short_8: NTBGYNIM

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/NTBGYNIMKVDIM4FZLFXEQZWH4P \
  | 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: 6cc26c350c55468670b9596e4866c7e3de25907657fc85b573c91eb4d868faea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc3f15d339171f28dbaa0e88224df5ff0faadf054180d1aca30b670190a9ae2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-30T15:30:38Z",
    "title_canon_sha256": "4c7e4472f0f838207418f76efa037d7a102cd8347565bc05067cf4ee6866430a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605722",
    "kind": "arxiv",
    "version": 1
  }
}