Pith Number

pith:4E6LMBCF

pith:2012:4E6LMBCFY65UBTB2MXQBDK6VFL

not attested not anchored not stored refs pending

A Search for Metal-poor Stars Pre-enriched by Pair-instability Supernovae I. A Pilot Study for Target Selection from Sloan Digital Sky Survey (SDSS)

G. Zhao, J. Ren, N. Christlieb

arxiv:1207.4536 v1 · 2012-07-19 · 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{4E6LMBCFY65UBTB2MXQBDK6VFL}

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	2026-05-18T01:56:16.495903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13cb60445c7bb40cc3a65e011abd52accd3dd68498cf0a6110f45a906b0d2bf

Aliases

arxiv: 1207.4536 · arxiv_version: 1207.4536v1 · doi: 10.48550/arxiv.1207.4536 · pith_short_12: 4E6LMBCFY65U · pith_short_16: 4E6LMBCFY65UBTB2 · pith_short_8: 4E6LMBCF

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/4E6LMBCFY65UBTB2MXQBDK6VFL \
  | 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: e13cb60445c7bb40cc3a65e011abd52accd3dd68498cf0a6110f45a906b0d2bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99739dfc761c74ffa8be1b7fc3655e5b7ef04fa25e269dbd64533238019a7021",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-19T02:51:44Z",
    "title_canon_sha256": "925bf2ea8e9f710ae46b200ea7a55612a27071f1919c2e7f1678ec04e0d10ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4536",
    "kind": "arxiv",
    "version": 1
  }
}