Pith Number

pith:3W7RDAVG

pith:2011:3W7RDAVGP26W2JTKNKWWG2Y6VC

not attested not anchored not stored refs pending

The Dynamical Mass and Three-Dimensional Orbit of HR7672B: A Benchmark Brown Dwarf with High Eccentricity

Andrew W. Howard, Debra A. Fischer, Geoffrey W. Marcy, Howard Isaacson, Jason T. Wright, John Asher Johnson, John M. Brewer, John M. Carpenter, Justin R. Crepp, Kaspar von Braun, Lynne A. Hillenbrand, Sasha Hinkley, Tabetha Boyajian

arxiv:1112.1725 v2 · 2011-12-07 · astro-ph.EP · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3W7RDAVGP26W2JTKNKWWG2Y6VC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:59:15.313794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddbf1182a67ebd6d266a6aad636b1ea8a7cf9bc256f2cdcee41243da4a911c77

Aliases

arxiv: 1112.1725 · arxiv_version: 1112.1725v2 · doi: 10.48550/arxiv.1112.1725 · pith_short_12: 3W7RDAVGP26W · pith_short_16: 3W7RDAVGP26W2JTK · pith_short_8: 3W7RDAVG

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/3W7RDAVGP26W2JTKNKWWG2Y6VC \
  | 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: ddbf1182a67ebd6d266a6aad636b1ea8a7cf9bc256f2cdcee41243da4a911c77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbc012354c5292448a770ebf28000380cfe8f73a47a96e91c5c2a71c56cf0fb",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-12-07T22:54:06Z",
    "title_canon_sha256": "f31109bb40840a04e24a515df24665f1feabad208eeb662091f834052aa47c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1725",
    "kind": "arxiv",
    "version": 2
  }
}