Pith Number

pith:P3U7NQAG

pith:2015:P3U7NQAG5BI23PRHIVHVN223AT

not attested not anchored not stored refs pending

Metallicity determination of M dwarfs - High-resolution IR spectroscopy

Andreas Seifahrt, Sara Lindgren, Ulrike Heiter

arxiv:1510.06642 v1 · 2015-10-22 · 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{P3U7NQAG5BI23PRHIVHVN223AT}

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	2026-05-18T01:21:30.422117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ee9f6c006e851adbe27454f56eb5b04d038267a6f274803a3ed67e27493d580

Aliases

arxiv: 1510.06642 · arxiv_version: 1510.06642v1 · doi: 10.48550/arxiv.1510.06642 · pith_short_12: P3U7NQAG5BI2 · pith_short_16: P3U7NQAG5BI23PRH · pith_short_8: P3U7NQAG

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/P3U7NQAG5BI23PRHIVHVN223AT \
  | 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: 7ee9f6c006e851adbe27454f56eb5b04d038267a6f274803a3ed67e27493d580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae9c2f75c4e190a05dac53a12d6d5e1deb6ba830bc6976509515a06ceef3219c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-22T14:27:58Z",
    "title_canon_sha256": "2aa2fdd93c9c116f27710f420162fc3d6ce7280c446122caabaa23957699b24d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06642",
    "kind": "arxiv",
    "version": 1
  }
}