Pith Number

pith:B7OLWQ5N

pith:2006:B7OLWQ5NCZB4YNOF4DRFKC2SBY

not attested not anchored not stored refs pending

Recipes for ULX formation: necessary ingredients and garnishments

Roberto Soria (CfA/MSSL)

arxiv:astro-ph/0611152 v1 · 2006-11-05 · 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{B7OLWQ5NCZB4YNOF4DRFKC2SBY}

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	2026-05-18T01:40:28.999816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fdcbb43ad1643cc35c5e0e2550b520e3b0d7f48f2a53e26e4aa1474ca96682c

Aliases

arxiv: astro-ph/0611152 · arxiv_version: astro-ph/0611152v1 · doi: 10.48550/arxiv.astro-ph/0611152 · pith_short_12: B7OLWQ5NCZB4 · pith_short_16: B7OLWQ5NCZB4YNOF · pith_short_8: B7OLWQ5N

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/B7OLWQ5NCZB4YNOF4DRFKC2SBY \
  | 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: 0fdcbb43ad1643cc35c5e0e2550b520e3b0d7f48f2a53e26e4aa1474ca96682c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "559d6a2b1a2d71e4d033d0f0df998561393ef982119f88556dba57cc318bf73c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-05T04:13:11Z",
    "title_canon_sha256": "8bb71335dac4bbf30260841455d67ce50e3f34b8b332a044a4cca1dada1162cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611152",
    "kind": "arxiv",
    "version": 1
  }
}