Pith Number

pith:I7FZOIPO

pith:2012:I7FZOIPOV7OSGQFFDXJW3Q2B22

not attested not anchored not stored refs pending

A young stellar cluster within the RCW41 HII region: deep NIR photometry and Optical/NIR polarimetry

Alexandre Roman-Lopes, F\'abio P. Santos, Gabriel A. P. Franco

arxiv:1204.0559 v1 · 2012-04-02 · 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{I7FZOIPOV7OSGQFFDXJW3Q2B22}

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	2026-05-18T03:55:24.559960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47cb9721eeafdd2340a51dd36dc341d6a030fa9b81ac232a75e546ba8d5d1544

Aliases

arxiv: 1204.0559 · arxiv_version: 1204.0559v1 · doi: 10.48550/arxiv.1204.0559 · pith_short_12: I7FZOIPOV7OS · pith_short_16: I7FZOIPOV7OSGQFF · pith_short_8: I7FZOIPO

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/I7FZOIPOV7OSGQFFDXJW3Q2B22 \
  | 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: 47cb9721eeafdd2340a51dd36dc341d6a030fa9b81ac232a75e546ba8d5d1544

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3a1cc5aaec000abc03440695c4bcbe436c3d42cd3e25489a9384676b4767cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-02T23:50:23Z",
    "title_canon_sha256": "c4cceda633390581a2ec528dcba5d20598be712d13db4c1aec98cef3aea41cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0559",
    "kind": "arxiv",
    "version": 1
  }
}