Pith Number

pith:ZPIHDDY3

pith:2007:ZPIHDDY3RLYMB4KFNONMQCNBVX

not attested not anchored not stored refs pending

Envelope density pattern around wide binary AGB stars: a dynamical model

J.H. He

arxiv:astro-ph/0703639 v1 · 2007-03-26 · 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{ZPIHDDY3RLYMB4KFNONMQCNBVX}

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	2026-07-04T17:07:49.320441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd0718f1b8af0c0f1456b9ac809a1adf726ac6014cb375e2c2eaae5eb310c09

Aliases

arxiv: astro-ph/0703639 · arxiv_version: astro-ph/0703639v1 · doi: 10.48550/arxiv.astro-ph/0703639 · pith_short_12: ZPIHDDY3RLYM · pith_short_16: ZPIHDDY3RLYMB4KF · pith_short_8: ZPIHDDY3

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/ZPIHDDY3RLYMB4KFNONMQCNBVX \
  | 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: cbd0718f1b8af0c0f1456b9ac809a1adf726ac6014cb375e2c2eaae5eb310c09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09476aeffce06d48963cd57de7ab2df9858214096186d3017329f5887e67f1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-26T01:48:16Z",
    "title_canon_sha256": "0868e8a4249b0cd8877a6e7c03599af8c8308c60ce07dd226a40272ec8148e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703639",
    "kind": "arxiv",
    "version": 1
  }
}