Pith Number

pith:LWS6EBLS

pith:2007:LWS6EBLSMWY7DCV75VRFWBXIQA

not attested not anchored not stored refs pending

Nucleosynthesis in Core-Collapse Supernovae and GRB--Metal-Poor Star Connection

H. Umeda, K. Maeda, K. Nomoto, M. Tanaka, N. Tominaga

arxiv:0707.2187 v1 · 2007-07-15 · 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{LWS6EBLSMWY7DCV75VRFWBXIQA}

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	2026-07-04T15:44:28.735248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da5e2057265b1f18abfed625b06e88029e96e12864cc025a5fa89f22da8c53b

Aliases

arxiv: 0707.2187 · arxiv_version: 0707.2187v1 · doi: 10.48550/arxiv.0707.2187 · pith_short_12: LWS6EBLSMWY7 · pith_short_16: LWS6EBLSMWY7DCV7 · pith_short_8: LWS6EBLS

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/LWS6EBLSMWY7DCV75VRFWBXIQA \
  | 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: 5da5e2057265b1f18abfed625b06e88029e96e12864cc025a5fa89f22da8c53b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391c76e0af889dfbc8ea6a690546178fc1c666aead4b62f8e49086a93c190c32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-15T08:10:00Z",
    "title_canon_sha256": "90f01b76a37fa935fec7dbc1fb96b3c8fd9fc1f3432a1a516ef23423438583f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2187",
    "kind": "arxiv",
    "version": 1
  }
}