Pith Number

pith:A4LBHXFE

pith:2021:A4LBHXFEJ7A7CRPR6IXWRLCYQH

not attested not anchored not stored refs pending

Fragmentation in the massive G31.41+0.31 protocluster

A. Ahmadi, A. Lorenzani, \'A. S\'anchez-Monge, C. Goddi, D. Galli, F. van der Tak, H. Beuther, H. Zinnecker, L. Moscadelli, L. T. Maud, M. S. N. Kumar, M. T. Beltr\'an, P. D. Klaassen, P. Schilke, R. Cesaroni, R. Kuiper, S. Etoka, S. Vig, T. Csengeri, T. Peters, V. M. Rivilla

arxiv:2103.04953 v1 · 2021-03-08 · 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{A4LBHXFEJ7A7CRPR6IXWRLCYQH}

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	2026-07-05T02:33:51.699934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071613dca44fc1f145f1f22f68ac5881f02a725addb93ff8ddf2a63ecdd66d4d

Aliases

arxiv: 2103.04953 · arxiv_version: 2103.04953v1 · doi: 10.48550/arxiv.2103.04953 · pith_short_12: A4LBHXFEJ7A7 · pith_short_16: A4LBHXFEJ7A7CRPR · pith_short_8: A4LBHXFE

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/A4LBHXFEJ7A7CRPR6IXWRLCYQH \
  | 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: 071613dca44fc1f145f1f22f68ac5881f02a725addb93ff8ddf2a63ecdd66d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c37a686756338d7e75ada4d14fde735923524cceba06e294d3353c5459dba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-08T18:16:58Z",
    "title_canon_sha256": "dea29f693ac346733ea1cd30cb2ba5b34ba19ded6392f3d7f2e31462941b1710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04953",
    "kind": "arxiv",
    "version": 1
  }
}