Pith Number

pith:XFFFCHMG

pith:2005:XFFFCHMGOK3ZAMANYONFS3R3MS

not attested not anchored not stored refs pending

Constraints on Inner Disk Evolution Timescales: A Disk Census of the eta Chamaeleontis Young Cluster

Joao Alves (ESO), Karl E. Haisch Jr. (UVSC), Ray Jayawardhana (Toronto)

arxiv:astro-ph/0506352 v1 · 2005-06-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFFFCHMGOK3ZAMANYONFS3R3MS}

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	2026-07-04T16:52:33.952432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94a511d8672b790300dc39a596e3b6490e4859015b9f4fd70c7c1c0971b2aa4

Aliases

arxiv: astro-ph/0506352 · arxiv_version: astro-ph/0506352v1 · doi: 10.48550/arxiv.astro-ph/0506352 · pith_short_12: XFFFCHMGOK3Z · pith_short_16: XFFFCHMGOK3ZAMAN · pith_short_8: XFFFCHMG

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/XFFFCHMGOK3ZAMANYONFS3R3MS \
  | 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: b94a511d8672b790300dc39a596e3b6490e4859015b9f4fd70c7c1c0971b2aa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5fa81468500ee9e2205facb2ba61b88b8bd9062d6a015bb0eb735dc7b3d160d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-15T17:18:01Z",
    "title_canon_sha256": "1c2277dd786b5d42b2f52103bcedb00c6cf0a3ba834ac1aab327fdaae1e66644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506352",
    "kind": "arxiv",
    "version": 1
  }
}