Pith Number

pith:Z2BFYJ7W

pith:2010:Z2BFYJ7W3IVKO5DPXY6PS4U436

not attested not anchored not stored refs pending

Observational constraints on the progenitor metallicities of core-collapse supernovae

J. P. Anderson, M. Hamuy, P. A. James, R. A. Covarrubias, S. M. Habergham

arxiv:1006.0968 v1 · 2010-06-04 · 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{Z2BFYJ7W3IVKO5DPXY6PS4U436}

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	2026-05-18T02:07:04.629130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce825c27f6da2aa7746fbe3cf9729cdf9cd765bed589cc4e8ce725415afc4910

Aliases

arxiv: 1006.0968 · arxiv_version: 1006.0968v1 · doi: 10.48550/arxiv.1006.0968 · pith_short_12: Z2BFYJ7W3IVK · pith_short_16: Z2BFYJ7W3IVKO5DP · pith_short_8: Z2BFYJ7W

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/Z2BFYJ7W3IVKO5DPXY6PS4U436 \
  | 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: ce825c27f6da2aa7746fbe3cf9729cdf9cd765bed589cc4e8ce725415afc4910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2e529c60857850b6e3acd9f21844d38affea4c4c03092998cc00da6650141ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-04T19:12:42Z",
    "title_canon_sha256": "2f256bc11a914452b9f966354d778fde73d79641ca5a848f8f15d1eec1b9cce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0968",
    "kind": "arxiv",
    "version": 1
  }
}