Pith Number

pith:JKEBCRFY

pith:2014:JKEBCRFYGIKJVOSUW2JPGYQVUH

not attested not anchored not stored refs pending

Discovery of extremely lead-rich subdwarfs: does heavy metal signal the formation of subdwarf B stars?

Alan Hibbert, Naslim Neelamkodan, Natalie Behara, Simon Jeffery

arxiv:1407.7668 v1 · 2014-07-29 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKEBCRFYGIKJVOSUW2JPGYQVUH}

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	2026-05-18T01:42:28.924591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a881144b832149aba54b692f36215a1f67ffdf9b521916a58133bf0171daaf0

Aliases

arxiv: 1407.7668 · arxiv_version: 1407.7668v1 · doi: 10.48550/arxiv.1407.7668 · pith_short_12: JKEBCRFYGIKJ · pith_short_16: JKEBCRFYGIKJVOSU · pith_short_8: JKEBCRFY

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/JKEBCRFYGIKJVOSUW2JPGYQVUH \
  | 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: 4a881144b832149aba54b692f36215a1f67ffdf9b521916a58133bf0171daaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8221619ab0797796b7f5abc1c663d5f3a09f3f5f574ec7594d27205a157c2355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-29T09:14:03Z",
    "title_canon_sha256": "ded89def6e58a99eae785e47d2fb6c28c1bdaeda4764cd262375dc1e65aca81d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7668",
    "kind": "arxiv",
    "version": 1
  }
}