Pith Number

pith:OWMDXNZB

pith:2015:OWMDXNZB2I6TJ3IDOKGSZCFOSF

not attested not anchored not stored refs pending

Barium Surface Abundances of Blue Stragglers in the Open Cluster NGC 6819

Katelyn E. Milliman, Robert D. Mathieu, Simon C. Schuler

arxiv:1508.01236 v1 · 2015-08-05 · 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{OWMDXNZB2I6TJ3IDOKGSZCFOSF}

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	2026-05-18T01:33:41.908944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75983bb721d23d34ed03728d2c88ae915e04ad08c846e8c5d70bb3c7a72adbab

Aliases

arxiv: 1508.01236 · arxiv_version: 1508.01236v1 · doi: 10.48550/arxiv.1508.01236 · pith_short_12: OWMDXNZB2I6T · pith_short_16: OWMDXNZB2I6TJ3ID · pith_short_8: OWMDXNZB

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/OWMDXNZB2I6TJ3IDOKGSZCFOSF \
  | 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: 75983bb721d23d34ed03728d2c88ae915e04ad08c846e8c5d70bb3c7a72adbab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "204a2d54d93fad6d27671ea227f7a99030472a7ec5e925752fcfa9e357a59f90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-05T21:58:23Z",
    "title_canon_sha256": "e3217bce76a4fb4ea08e84daa92b426073a605ea30843dd029d2db271cc93efe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01236",
    "kind": "arxiv",
    "version": 1
  }
}