Pith Number

pith:7D2JEAC6

pith:2019:7D2JEAC6JF7BYZ7LLKFEEEMOGY

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Fundamental Physics with Brown Dwarfs: The Mass-Radius Relation

Adam Burgasser (UC San Diego), Adam Burrows (Princeton University), Amaury Triaud (University of Birmingham), Brice Demory (University of Bern), Daniel Huber (University of Hawaii), Didier Saumon (Los Alamos National Laboratory), Gerard van Belle (Lowell Observatory), Gilles Chabrier (University of Exeter), Isabelle Baraffe (University of Exeter), Jacqueline Faherty (American Museum of Natural History), Johanna M. Vos (American Museum of Natural History), Keivan Stassun (Vanderbilt University), Matthew Browning (University of Exeter), Michelle Creech-Eakman (New Mexico Tech), Nicolas Lodieu (Instituto de Astrofisica de Canarias), Peter Plavchan (George Mason University), Rakesh Yadav (Harvard University), R. Michael Rich (UC Los Angeles), Sergio Dieterich (Carnegie DTM), Valerie Van Grootel (University of Liege)

arxiv:1903.04667 v1 · 2019-03-12 · 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{7D2JEAC6JF7BYZ7LLKFEEEMOGY}

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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	2026-05-17T23:51:28.997932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f492005e497e1c67eb5a8a42118e36263fbdadb81dc6bf8d268c2e0ac32cd3

Aliases

arxiv: 1903.04667 · arxiv_version: 1903.04667v1 · doi: 10.48550/arxiv.1903.04667 · pith_short_12: 7D2JEAC6JF7B · pith_short_16: 7D2JEAC6JF7BYZ7L · pith_short_8: 7D2JEAC6

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/7D2JEAC6JF7BYZ7LLKFEEEMOGY \
  | 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: f8f492005e497e1c67eb5a8a42118e36263fbdadb81dc6bf8d268c2e0ac32cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d080997f8d35bc8e4c6ec7cdae3e1b270949716d807e298c3a9c36e1ada19859",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-12T00:04:38Z",
    "title_canon_sha256": "f86d9a89efb184eb350ac3cdcd163392ddfba0458b49d5c74400d50bded61744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04667",
    "kind": "arxiv",
    "version": 1
  }
}