Pith Number

pith:AI2DA3XI

pith:2019:AI2DA3XIFJBTDREMVY26X6YZGP

not attested not anchored not stored refs pending

Benchmarking Substellar Evolutionary Models Using New Age Estimates for HD 4747 B and HD 19467 B

Arthur Adams, Charlotte M. Wood, Gail Schaefer, John M. Brewer, Justin R. Crepp, Kaspar von Braun, Tabetha Boyajian, Timothy R. White

arxiv:1901.03687 v1 · 2019-01-11 · 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{AI2DA3XIFJBTDREMVY26X6YZGP}

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	2026-05-17T23:51:30.294027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0234306ee82a4331c48cae35ebfb1933f11be5ef2eac6ca9ee643304d703095b

Aliases

arxiv: 1901.03687 · arxiv_version: 1901.03687v1 · doi: 10.48550/arxiv.1901.03687 · pith_short_12: AI2DA3XIFJBT · pith_short_16: AI2DA3XIFJBTDREM · pith_short_8: AI2DA3XI

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/AI2DA3XIFJBTDREMVY26X6YZGP \
  | 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: 0234306ee82a4331c48cae35ebfb1933f11be5ef2eac6ca9ee643304d703095b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae1e19a3f7cee9c90a8f61f79697711ea9122c7697d26f99684914e08258ada",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-11T18:48:20Z",
    "title_canon_sha256": "9e2eeb24717ad8b9e20805c87f1bbeb9253a72d52951d21fb13a15fab789039c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03687",
    "kind": "arxiv",
    "version": 1
  }
}