Pith Number

pith:JPNVCGPE

pith:2009:JPNVCGPESR4V7VLE54CWBMKSEO

not attested not anchored not stored refs pending

Chemistry of heavy elements in the Dark Ages

C. Winteler, D. Puy, M. Signore, P. Vonlanthen, T. Rauscher, V. Dubrovich

arxiv:0906.3701 v1 · 2009-06-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPNVCGPESR4V7VLE54CWBMKSEO}

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	2026-05-18T02:13:18.691188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdb5119e494795fd564ef0560b152239be5e660147f296a8997cdea76db5296

Aliases

arxiv: 0906.3701 · arxiv_version: 0906.3701v1 · doi: 10.48550/arxiv.0906.3701 · pith_short_12: JPNVCGPESR4V · pith_short_16: JPNVCGPESR4V7VLE · pith_short_8: JPNVCGPE

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/JPNVCGPESR4V7VLE54CWBMKSEO \
  | 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: 4bdb5119e494795fd564ef0560b152239be5e660147f296a8997cdea76db5296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afda6d1956ca46eaf4f1b48f3dcd360f3c5117b01dd8f9c84c5bdb1b863097cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-19T16:34:57Z",
    "title_canon_sha256": "992a624dd233bb7a28d5437c5a74ede8173098d6800a73de8defe8471a8d4b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3701",
    "kind": "arxiv",
    "version": 1
  }
}