Pith Number

pith:6RVIPSGA

pith:2007:6RVIPSGA77TLCFSQLUK2CB6T3K

not attested not anchored not stored refs pending

Chemical Evolution in VeLLOs

Jeong-Eun Lee

arxiv:0712.1866 v2 · 2007-12-12 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RVIPSGA77TLCFSQLUK2CB6T3K}

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	2026-05-18T00:52:42.478523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f46a87c8c0ffe6b116505d15a107d3da9813e5c83ce8b5c9d825176d3d571b7f

Aliases

arxiv: 0712.1866 · arxiv_version: 0712.1866v2 · doi: 10.48550/arxiv.0712.1866 · pith_short_12: 6RVIPSGA77TL · pith_short_16: 6RVIPSGA77TLCFSQ · pith_short_8: 6RVIPSGA

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/6RVIPSGA77TLCFSQLUK2CB6T3K \
  | 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: f46a87c8c0ffe6b116505d15a107d3da9813e5c83ce8b5c9d825176d3d571b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7693af0b4a29bb65ddcf528a5080f5e8770e0a954506515f13427499537f3077",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-12T04:14:44Z",
    "title_canon_sha256": "3dcc6c03d33f8c5234cc8a8b78ade10aa3a307c42df0f290a9c9d454616a7eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1866",
    "kind": "arxiv",
    "version": 2
  }
}