Pith Number

pith:27CPHF3V

pith:2026:27CPHF3VTP6QYLPV4DIVQIXRVE

not attested not anchored not stored refs pending

The Zero-Age Massive Stellar Population of W49A from VLA Observations

A. F. McLeod, A. Ginsburg, A. Parra-L\'opez, C. G. De Pree, D. Wilner, E. F. Jim\'enez-Andrade, G. Bruzual, G. Su\'arez, H. B. Liu, J. E. Mendoza-Torres, J. J. Tobin, M. Ju\'arez-Gama, N. Cunningham, R. Galv\'an-Madrid, R. Rivera-Soto, T. Nony, X. Lu

arxiv:2608.05453 v1 · 2026-08-05 · 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{27CPHF3VTP6QYLPV4DIVQIXRVE}

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	2026-08-07T00:47:53.556618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c4f397759bfd0c2df5e0d15822f1a9061462bae82a4fe13386647918088a97

Aliases

arxiv: 2608.05453 · arxiv_version: 2608.05453v1 · doi: 10.48550/arxiv.2608.05453 · pith_short_12: 27CPHF3VTP6Q · pith_short_16: 27CPHF3VTP6QYLPV · pith_short_8: 27CPHF3V

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/27CPHF3VTP6QYLPV4DIVQIXRVE \
  | 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: d7c4f397759bfd0c2df5e0d15822f1a9061462bae82a4fe13386647918088a97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e59ced560dd91d20352542e907d2ef195c90e168420ab5cbcc9be84556841b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-05T22:56:49Z",
    "title_canon_sha256": "593bc98a6769ada4216871437080bc443a08d03450333a9beab5c95af2bb3b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05453",
    "kind": "arxiv",
    "version": 1
  }
}