Pith Number

pith:X55SF33P

pith:2015:X55SF33P3B2FSAKXAY4VBX5KZP

not attested not anchored not stored refs pending

A Detailed Study of Giants and Horizontal Branch Stars in M68: Atmospheric Parameters and Chemical Abundances

Chris Sneden, George Preston, G.S. Burley, I.B. Thompson, Marc Schaeuble, S.A. Shectman

arxiv:1505.03513 v1 · 2015-05-13 · 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{X55SF33P3B2FSAKXAY4VBX5KZP}

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	2026-05-18T01:59:34.539380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf7b22ef6fd874590157063950dfaacbd05af62dcdbb2cf425a2faa114d3a274

Aliases

arxiv: 1505.03513 · arxiv_version: 1505.03513v1 · doi: 10.48550/arxiv.1505.03513 · pith_short_12: X55SF33P3B2F · pith_short_16: X55SF33P3B2FSAKX · pith_short_8: X55SF33P

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/X55SF33P3B2FSAKXAY4VBX5KZP \
  | 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: bf7b22ef6fd874590157063950dfaacbd05af62dcdbb2cf425a2faa114d3a274

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69259cbdb3e65dde96c48998d32841870e4bce3ee6645f566584f5e2d8595310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-13T19:59:57Z",
    "title_canon_sha256": "7e614e688b6b9376f09b415fdf5b541259417a7a90693c42c6e570c4c896d0f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03513",
    "kind": "arxiv",
    "version": 1
  }
}