Pith Number

pith:23NVWH6E

pith:2017:23NVWH6EUJSXHBFXT6F5UXYPHD

not attested not anchored not stored refs pending

A High-Resolution Multiband Survey of Westerlund 2 With the Hubble Space Telescope. III. The present-day stellar mass function

Anna Pasquali, Antonella Nota, Carol Christian, Elena Sabbi, Eva K. Grebel, Monica Tosi, Peter Zeidler

arxiv:1701.07302 v1 · 2017-01-25 · astro-ph.GA · 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{23NVWH6EUJSXHBFXT6F5UXYPHD}

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	2026-05-18T00:50:09.066400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6db5b1fc4a2657384b79f8bda5f0f38d0d56256b954f1f6033240bd30257795

Aliases

arxiv: 1701.07302 · arxiv_version: 1701.07302v1 · doi: 10.48550/arxiv.1701.07302 · pith_short_12: 23NVWH6EUJSX · pith_short_16: 23NVWH6EUJSXHBFX · pith_short_8: 23NVWH6E

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/23NVWH6EUJSXHBFXT6F5UXYPHD \
  | 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: d6db5b1fc4a2657384b79f8bda5f0f38d0d56256b954f1f6033240bd30257795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f325e9af2598ce7eaf763168832f0f9f4aea799c560825f8806d6451bd2e74f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-25T13:31:24Z",
    "title_canon_sha256": "83402455b47ec588e634ced59f69a6b52c0382d94b4a28b122e559016ca81129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07302",
    "kind": "arxiv",
    "version": 1
  }
}