Pith Number

pith:C6SAGONG

pith:2009:C6SAGONGXJDNAUN6CEDTSCA2Z6

not attested not anchored not stored refs pending

Companion Stars of Type Ia supernovae with different metallicities

Wuming Yang, Xiangcun Meng

arxiv:0909.2167 v1 · 2009-09-11 · 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{C6SAGONGXJDNAUN6CEDTSCA2Z6}

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	2026-05-18T02:11:56.959475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a40339a6ba46d051be110739081acfbe3f8b4b05b1058b1fb3208dda25ed5f

Aliases

arxiv: 0909.2167 · arxiv_version: 0909.2167v1 · doi: 10.48550/arxiv.0909.2167 · pith_short_12: C6SAGONGXJDN · pith_short_16: C6SAGONGXJDNAUN6 · pith_short_8: C6SAGONG

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/C6SAGONGXJDNAUN6CEDTSCA2Z6 \
  | 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: 17a40339a6ba46d051be110739081acfbe3f8b4b05b1058b1fb3208dda25ed5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485f910b89f8e6c9ae6019f921ea8e01ce9d468fd2674f3e94b9b43729eac313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-11T13:30:11Z",
    "title_canon_sha256": "970920b440abdf6fca31c7fe7656f1ff71b2eb57c3b32b32d3a8be2fb43f4fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2167",
    "kind": "arxiv",
    "version": 1
  }
}