Pith Number

pith:WUQEY46U

pith:2019:WUQEY46UUFJTO3EBH6QJRAAY4U

not attested not anchored not stored refs pending

Chemical Abundances Of Open Clusters From High-Resolution Infrared Spectra. I. NGC 6940

C. A. Pilachowski, C. Sneden, D. A. VandenBerg, D. T. Jaffe, E. Strickland, G. B\"ocek Topcu, G. N. Mace, H. Kim, M. Afsar, P. A. Denissenkov, S. \"Ozdemir

arxiv:1903.03786 v1 · 2019-03-09 · 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{WUQEY46UUFJTO3EBH6QJRAAY4U}

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	2026-05-17T23:49:01.600049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5204c73d4a153376c813fa0988018e53a1c7ffc79767619f8bc4b5494aa08e0

Aliases

arxiv: 1903.03786 · arxiv_version: 1903.03786v1 · doi: 10.48550/arxiv.1903.03786 · pith_short_12: WUQEY46UUFJT · pith_short_16: WUQEY46UUFJTO3EB · pith_short_8: WUQEY46U

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/WUQEY46UUFJTO3EBH6QJRAAY4U \
  | 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: b5204c73d4a153376c813fa0988018e53a1c7ffc79767619f8bc4b5494aa08e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f0ed5279f3e3d8d0fc22372cc9485a4efe7d292fb5ad58163f80c0c5636686",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-09T11:43:14Z",
    "title_canon_sha256": "a767de9053853f1360b61fc2ce2068429709ba0dfad66730f059bdb746961a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03786",
    "kind": "arxiv",
    "version": 1
  }
}