Pith Number

pith:4TCWCCPZ

pith:2011:4TCWCCPZ6IB44JSJPKJVWJCMK7

not attested not anchored not stored refs pending

M-dwarf metallicities - A high-resolution spectroscopic study in the near infrared

Anna \"Onehag, Ansgar Reiners, Bengt Gustafsson, Bertrand Plez, Nikolai Piskunov, Ulrike Heiter

arxiv:1112.0141 v1 · 2011-12-01 · 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{4TCWCCPZ6IB44JSJPKJVWJCMK7}

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	2026-05-18T01:59:20.590150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c56109f9f203ce26497a935b244c57ccb3814f24a8fec79cbf16cb940b6267

Aliases

arxiv: 1112.0141 · arxiv_version: 1112.0141v1 · doi: 10.48550/arxiv.1112.0141 · pith_short_12: 4TCWCCPZ6IB4 · pith_short_16: 4TCWCCPZ6IB44JSJ · pith_short_8: 4TCWCCPZ

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/4TCWCCPZ6IB44JSJPKJVWJCMK7 \
  | 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: e4c56109f9f203ce26497a935b244c57ccb3814f24a8fec79cbf16cb940b6267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb346d8a1ed22afa7e7724ed68252c61a431a420033f818bd95fa79afa02f423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-01T11:32:51Z",
    "title_canon_sha256": "be3cc1e0411d52c05d04bebd1c5e923038416bd51808abf75575b1667aeb04a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0141",
    "kind": "arxiv",
    "version": 1
  }
}