Pith Number

pith:NFL6DIHS

pith:2016:NFL6DIHSMZ54DKAHLLWICFKYTM

not attested not anchored not stored refs pending

A High-Resolution Multiband Survey of Westerlund 2 With the Hubble Space Telescope. II. Mass accretion in the Pre-Main Sequence Population

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

arxiv:1607.04126 v1 · 2016-07-14 · astro-ph.SR · 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{NFL6DIHSMZ54DKAHLLWICFKYTM}

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	2026-05-18T01:04:32.586772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6957e1a0f2667bc1a8075aec8115589b3892a64a0972e747c07e6ef39b47d034

Aliases

arxiv: 1607.04126 · arxiv_version: 1607.04126v1 · doi: 10.48550/arxiv.1607.04126 · pith_short_12: NFL6DIHSMZ54 · pith_short_16: NFL6DIHSMZ54DKAH · pith_short_8: NFL6DIHS

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/NFL6DIHSMZ54DKAHLLWICFKYTM \
  | 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: 6957e1a0f2667bc1a8075aec8115589b3892a64a0972e747c07e6ef39b47d034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b0420fd366e818f95ae22e300b73d41dc38f99e82958b51994e047482664bd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-14T13:38:07Z",
    "title_canon_sha256": "419fd2ccc3cc9170b5cdbc9f237dbcb00aac173fc0bec38c78b335f66a09a2af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04126",
    "kind": "arxiv",
    "version": 1
  }
}