Pith Number

pith:WNR7RCY4

pith:2014:WNR7RCY4LQIKFBAEKV2LXJKJX7

not attested not anchored not stored refs pending

Planet Traps and First Planets: the Critical Metallicity for Gas Giant Formation

Hiroyuki Hirashita, Yasuhiro Hasegawa

arxiv:1404.5462 v1 · 2014-04-22 · 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{WNR7RCY4LQIKFBAEKV2LXJKJX7}

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	2026-05-18T01:43:26.475797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b363f88b1c5c10a284045574bba549bfe3ed41f8efc666f3e668b7233e7f2cb1

Aliases

arxiv: 1404.5462 · arxiv_version: 1404.5462v1 · doi: 10.48550/arxiv.1404.5462 · pith_short_12: WNR7RCY4LQIK · pith_short_16: WNR7RCY4LQIKFBAE · pith_short_8: WNR7RCY4

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/WNR7RCY4LQIKFBAEKV2LXJKJX7 \
  | 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: b363f88b1c5c10a284045574bba549bfe3ed41f8efc666f3e668b7233e7f2cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bcd2c9725d80245cb40e2cd7d71bc50c8012736f2bbb117d7759ebc214046a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-22T11:52:29Z",
    "title_canon_sha256": "c3f3e7fcccb91c8024d50594b86ecb0dc3320bef1c7563b81b56bf021b57f78e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5462",
    "kind": "arxiv",
    "version": 1
  }
}