Pith Number

pith:452DOWMP

pith:2018:452DOWMPXWPSLUJGKLJKGJ2OXQ

not attested not anchored not stored refs pending

Systematic investigation of chemical abundances derived using IR spectra obtained with GIANO

E. Caffau, E. Oliva, H.-G. Ludwig, L. Capitanio, L. Origlia, L. Sbordone, N. Ryde, N. Sanna, P. Bonifacio, R. Collet, S. Andrievsky, S. Duffau, S. Korotin

arxiv:1812.05100 v1 · 2018-12-12 · 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{452DOWMPXWPSLUJGKLJKGJ2OXQ}

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	2026-05-17T23:55:10.634396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e77437598fbd9f25d12652d2a3274ebc00fcbe4fb27d7fb7d161337d8fd5f06f

Aliases

arxiv: 1812.05100 · arxiv_version: 1812.05100v1 · doi: 10.48550/arxiv.1812.05100 · pith_short_12: 452DOWMPXWPS · pith_short_16: 452DOWMPXWPSLUJG · pith_short_8: 452DOWMP

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/452DOWMPXWPSLUJGKLJKGJ2OXQ \
  | 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: e77437598fbd9f25d12652d2a3274ebc00fcbe4fb27d7fb7d161337d8fd5f06f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd965dd5c9cdaa48a5747be39b069b5d92d193d8a76facc4cefb69bdbddcadd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-12T19:00:00Z",
    "title_canon_sha256": "94726ecc403782fb64e807d55dcba21eaf40dbb956da8dd0e86db105008bb6d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05100",
    "kind": "arxiv",
    "version": 1
  }
}