Pith Number

pith:SXXJ7YBL

pith:2015:SXXJ7YBLKDWMBNU3632J24FEYF

not attested not anchored not stored refs pending

The 10830 Angstrom Helium Line Among Evolved Stars in the Globular Cluster M4

A. K. Dupree (CfA/SAO), Graeme H. Smith (UCO/Lick Observatory), Jay Strader (Michigan St)

arxiv:1506.06307 v1 · 2015-06-21 · 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{SXXJ7YBLKDWMBNU3632J24FEYF}

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	2026-05-18T01:35:46.675974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ee9fe02b50ecc0b69bf6f49d70a4c14f67cd0fc76d90571cd853847496cadf

Aliases

arxiv: 1506.06307 · arxiv_version: 1506.06307v1 · doi: 10.48550/arxiv.1506.06307 · pith_short_12: SXXJ7YBLKDWM · pith_short_16: SXXJ7YBLKDWMBNU3 · pith_short_8: SXXJ7YBL

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/SXXJ7YBLKDWMBNU3632J24FEYF \
  | 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: 95ee9fe02b50ecc0b69bf6f49d70a4c14f67cd0fc76d90571cd853847496cadf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2df9cedd3cd322c17a0245b2eece9d29b7da5665024ae48a62da20f9f4c92e72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-21T00:26:22Z",
    "title_canon_sha256": "1dd06ad38baa733d78f6242cbc4facee819b94ab1278f3580fcfe04690544d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06307",
    "kind": "arxiv",
    "version": 1
  }
}