Pith Number

pith:72AYILG3

pith:2019:72AYILG3TTSEDKCNKBAP4YON2N

not attested not anchored not stored refs pending

Internal magnetic fields, spin-orbit coupling, and orbital period modulation in close binary systems

A. F. Lanza (INAF-Catania, Italy)

arxiv:1911.01757 v3 · 2019-11-05 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72AYILG3TTSEDKCNKBAP4YON2N}

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	2026-07-05T00:22:06.119494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe81842cdb9ce441a84d5040fe61cdd36b5ccfa2d00ae0f8e2c269fbb7f5b7e3

Aliases

arxiv: 1911.01757 · arxiv_version: 1911.01757v3 · doi: 10.48550/arxiv.1911.01757 · pith_short_12: 72AYILG3TTSE · pith_short_16: 72AYILG3TTSEDKCN · pith_short_8: 72AYILG3

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/72AYILG3TTSEDKCNKBAP4YON2N \
  | 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: fe81842cdb9ce441a84d5040fe61cdd36b5ccfa2d00ae0f8e2c269fbb7f5b7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c533045993fa87652d67780f7c06e386753089a0ce4dca1df33711be186e9c81",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-05T13:08:58Z",
    "title_canon_sha256": "5a7a2548457fbd25f2fee14211b7e34455e0f52efa2e219798e16a711ccbcf5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01757",
    "kind": "arxiv",
    "version": 3
  }
}