Pith Number

pith:WKVLRWQU

pith:2012:WKVLRWQUP6JBUBH6DHPRDEXGGY

not attested not anchored not stored refs pending

Synthetic observations of first hydrostatic cores in collapsing low-mass dense cores. I. Spectral energy distributions and evolutionary sequence

Benoit Commercon, Cornelis P. Dullemond, Ralf Launhardt, Thomas Henning

arxiv:1207.0656 v2 · 2012-07-03 · 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{WKVLRWQUP6JBUBH6DHPRDEXGGY}

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	2026-05-18T01:56:35.357729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2aab8da147f921a04fe19df1192e6360a34cfa8916966902e0ea3b83c9ea081

Aliases

arxiv: 1207.0656 · arxiv_version: 1207.0656v2 · doi: 10.48550/arxiv.1207.0656 · pith_short_12: WKVLRWQUP6JB · pith_short_16: WKVLRWQUP6JBUBH6 · pith_short_8: WKVLRWQU

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/WKVLRWQUP6JBUBH6DHPRDEXGGY \
  | 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: b2aab8da147f921a04fe19df1192e6360a34cfa8916966902e0ea3b83c9ea081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7af245d9edc534e72851abd2193baf2cd25b23668066d45dd004f101aaab432",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-03T12:53:10Z",
    "title_canon_sha256": "5c5c75578177e39cf703a3ae5265cdc8d1b99edc9db68a45380bcc6d50661077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0656",
    "kind": "arxiv",
    "version": 2
  }
}