Pith Number

pith:YY5T6DOC

pith:2001:YY5T6DOCB4I66WMAXP6IPHQWFL

not attested not anchored not stored refs pending

Understanding the LMXB X2127+119 in M15 I. X-ray eclipses and dips

A.P. Smale, K. Mukai, P.A. Charles, T. Naylor, Zach Ioannou

arxiv:astro-ph/0111252 v1 · 2001-11-13 · 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{YY5T6DOCB4I66WMAXP6IPHQWFL}

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	2026-07-04T16:24:27.380516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c63b3f0dc20f11ef5980bbfc879e162aff1cf5e8c1d63d1ea6537d56fd2dd8e0

Aliases

arxiv: astro-ph/0111252 · arxiv_version: astro-ph/0111252v1 · doi: 10.48550/arxiv.astro-ph/0111252 · pith_short_12: YY5T6DOCB4I6 · pith_short_16: YY5T6DOCB4I66WMA · pith_short_8: YY5T6DOC

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/YY5T6DOCB4I66WMAXP6IPHQWFL \
  | 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: c63b3f0dc20f11ef5980bbfc879e162aff1cf5e8c1d63d1ea6537d56fd2dd8e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdab2854eaee4f8e078d56b43309b1590a4efdaf362847723788cb4de0df3320",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-13T20:58:04Z",
    "title_canon_sha256": "d4863a6fdcba866eba0c6f5ccac98432367a4272b4745ebd44375c766d0ef2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111252",
    "kind": "arxiv",
    "version": 1
  }
}