Pith Number

pith:PI4QR3WH

pith:2013:PI4QR3WHX4LJ73DKPP7OO6J7DD

not attested not anchored not stored refs pending

Establishing the link between HgMn and PGa stars

C. B. Pereira, F. Castelli, I. Ilyin, J. F. Gonzalez, M. Schoeller, N. A. Drake, S. Hubrig

arxiv:1309.5501 v1 · 2013-09-21 · 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{PI4QR3WHX4LJ73DKPP7OO6J7DD}

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	2026-05-18T03:12:36.160285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3908eec7bf169fec6a7bfee7793f18c4beb2aa3d43679ec0d12ba3945b7faf

Aliases

arxiv: 1309.5501 · arxiv_version: 1309.5501v1 · doi: 10.48550/arxiv.1309.5501 · pith_short_12: PI4QR3WHX4LJ · pith_short_16: PI4QR3WHX4LJ73DK · pith_short_8: PI4QR3WH

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/PI4QR3WHX4LJ73DKPP7OO6J7DD \
  | 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: 7a3908eec7bf169fec6a7bfee7793f18c4beb2aa3d43679ec0d12ba3945b7faf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2cbec951a96c7bb6e9f07d7ad09f6253fc943c6a5fe3a8b33c0bc01cf08ff75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-21T16:59:48Z",
    "title_canon_sha256": "0242f2970d88a9f10719f1c6b03be90f7534a6f41ee9400ef2b04ee932b9b15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5501",
    "kind": "arxiv",
    "version": 1
  }
}