Pith Number

pith:374HQHR2

pith:2019:374HQHR224NTI4ZSAHBDZMF5OT

not attested not anchored not stored refs pending

Stellar Characterization Necessary to Define Holistic Planetary Habitability

Allison Youngblood, Irina Kitiashvili, Natalie Hinkel, Patrick Young

arxiv:1904.01089 v1 · 2019-04-01 · 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{374HQHR224NTI4ZSAHBDZMF5OT}

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	2026-05-17T23:49:37.928373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff8781e3ad71b34733201c23cb0bd74f959d5fc27cd0991685aba65ea8dcca3

Aliases

arxiv: 1904.01089 · arxiv_version: 1904.01089v1 · doi: 10.48550/arxiv.1904.01089 · pith_short_12: 374HQHR224NT · pith_short_16: 374HQHR224NTI4ZS · pith_short_8: 374HQHR2

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/374HQHR224NTI4ZSAHBDZMF5OT \
  | 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: dff8781e3ad71b34733201c23cb0bd74f959d5fc27cd0991685aba65ea8dcca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2681415351f2b56e6f31c2ed1c98f3a98c575a3d671e00c87abeb16ea83e1373",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-01T20:00:34Z",
    "title_canon_sha256": "e157de15151890db207411cca9776dfb6eb20e4c8199766784ac21be1b9ef5e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01089",
    "kind": "arxiv",
    "version": 1
  }
}