Pith Number

pith:KTJCVVFI

pith:2009:KTJCVVFIVXD4BU6LGGCDBPKZFH

not attested not anchored not stored refs pending

The stellar population of the star forming region G61.48+0.09

A. Font-Ribera, A. Herrero, A. Lenorzer, A.Marin-Franch, D.Figer, F. Najarro, S. Ramirez

arxiv:0904.3202 v1 · 2009-04-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTJCVVFIVXD4BU6LGGCDBPKZFH}

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	2026-05-18T02:13:58.592409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d22ad4a8adc7c0d3cb318430bd5929c26ca4ff4d999cbf81bd65301594542e

Aliases

arxiv: 0904.3202 · arxiv_version: 0904.3202v1 · doi: 10.48550/arxiv.0904.3202 · pith_short_12: KTJCVVFIVXD4 · pith_short_16: KTJCVVFIVXD4BU6L · pith_short_8: KTJCVVFI

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/KTJCVVFIVXD4BU6LGGCDBPKZFH \
  | 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: 54d22ad4a8adc7c0d3cb318430bd5929c26ca4ff4d999cbf81bd65301594542e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f1c36af17a30fcb4d70a939f759af5803d0b3f1529128aad8329b2f7f2c225",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-21T09:58:02Z",
    "title_canon_sha256": "7544367a71008e7d5ed77af50e66003c7f1a0f4ad3b75c2e8682fbc8ee5f106c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3202",
    "kind": "arxiv",
    "version": 1
  }
}