Pith Number

pith:5OHJ3LS2

pith:2018:5OHJ3LS2BUGDYG47EULDD76AGC

not attested not anchored not stored refs pending

Cepheid Abundances: Multiphase Results and Spatial Gradients

R. Earle Luck

arxiv:1808.05863 v1 · 2018-08-17 · 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{5OHJ3LS2BUGDYG47EULDD76AGC}

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	2026-05-18T00:03:03.889569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb8e9dae5a0d0c3c1b9f251631ffc030aafb3b11c8f12c07a0a96f301079b958

Aliases

arxiv: 1808.05863 · arxiv_version: 1808.05863v1 · doi: 10.48550/arxiv.1808.05863 · pith_short_12: 5OHJ3LS2BUGD · pith_short_16: 5OHJ3LS2BUGDYG47 · pith_short_8: 5OHJ3LS2

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/5OHJ3LS2BUGDYG47EULDD76AGC \
  | 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: eb8e9dae5a0d0c3c1b9f251631ffc030aafb3b11c8f12c07a0a96f301079b958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c569cc348eba353c4ac671353192f25fc2120e5d1bab9f607941f6fcc6650c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-17T13:40:12Z",
    "title_canon_sha256": "1196d1313af119b153e2f96a03798eba2dca4c49320cc66ca804e4006e274e12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05863",
    "kind": "arxiv",
    "version": 1
  }
}