Pith Number

pith:BJUNXBUW

pith:2007:BJUNXBUWUICT7U64URHDL5GH3T

not attested not anchored not stored refs pending

On the Sensitivity of Massive Star Nucleosynthesis and Evolution to Solar Abundances and to Uncertainties in Helium Burning Reaction Rates

Alexander Heger, Clarisse Tur, Sam M. Austin

arxiv:0705.4404 v5 · 2007-05-30 · 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{BJUNXBUWUICT7U64URHDL5GH3T}

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	2026-07-04T17:04:00.971752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a68db8696a2053fd3dca44e35f4c7dccd973998d265b41fdb04240fb633fa5a

Aliases

arxiv: 0705.4404 · arxiv_version: 0705.4404v5 · doi: 10.48550/arxiv.0705.4404 · pith_short_12: BJUNXBUWUICT · pith_short_16: BJUNXBUWUICT7U64 · pith_short_8: BJUNXBUW

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/BJUNXBUWUICT7U64URHDL5GH3T \
  | 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: 0a68db8696a2053fd3dca44e35f4c7dccd973998d265b41fdb04240fb633fa5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda3c1f6aecf3cec7fd4b05012906edaebbe1b04d617c0517e4fa2dc7f7cfea8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-30T14:39:17Z",
    "title_canon_sha256": "cbdf512ede3acf302ad0abeeacb142c7aa47c513b0a0cdcabc57b8a380ef3a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4404",
    "kind": "arxiv",
    "version": 5
  }
}