Pith Number

pith:MWP5N57O

pith:2012:MWP5N57O32JMLHTV4QGBJ5Y7F5

not attested not anchored not stored refs pending

Young stars in Epsilon Cha and their disks: disk evolution in sparse associations

A. Sicilia-Aguilar, J. Bouwman, M. Fang, R. van Boekel, Th. Henning, W. A. Lawson

arxiv:1209.5832 v2 · 2012-09-26 · 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{MWP5N57O32JMLHTV4QGBJ5Y7F5}

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	2026-05-18T01:54:18.717584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659fd6f7eede92c59e75e40c14f71f2f419b7d216c90141cc6ab1a039af4c0cd

Aliases

arxiv: 1209.5832 · arxiv_version: 1209.5832v2 · doi: 10.48550/arxiv.1209.5832 · pith_short_12: MWP5N57O32JM · pith_short_16: MWP5N57O32JMLHTV · pith_short_8: MWP5N57O

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/MWP5N57O32JMLHTV4QGBJ5Y7F5 \
  | 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: 659fd6f7eede92c59e75e40c14f71f2f419b7d216c90141cc6ab1a039af4c0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b19443b4635a7efaa4aaa6de6e5214992df567d4be49d5c345d0ec2ee3dbf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-26T05:06:48Z",
    "title_canon_sha256": "6460b801c5787cc0423a4e19c83b6053e5e0c77f36ce3efd4d7bb16595f28836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5832",
    "kind": "arxiv",
    "version": 2
  }
}