Pith Number

pith:ATSDAXMF

pith:2009:ATSDAXMFQOHVPCB2NSUJRNWQCI

not attested not anchored not stored refs pending

Seeking the Progenitors of Type Ia Supernovae

Ferdinando Patat

arxiv:0906.2620 v1 · 2009-06-15 · astro-ph.CO · 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{ATSDAXMFQOHVPCB2NSUJRNWQCI}

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	2026-05-18T02:13:20.152632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e4305d85838f57883a6ca898b6d012200b0c1a284614bf8d96f30e64ed7522

Aliases

arxiv: 0906.2620 · arxiv_version: 0906.2620v1 · doi: 10.48550/arxiv.0906.2620 · pith_short_12: ATSDAXMFQOHV · pith_short_16: ATSDAXMFQOHVPCB2 · pith_short_8: ATSDAXMF

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/ATSDAXMFQOHVPCB2NSUJRNWQCI \
  | 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: 04e4305d85838f57883a6ca898b6d012200b0c1a284614bf8d96f30e64ed7522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edad6269fab7a982931f87f3e9bef7584e1fa17b20659a0339db18d22eaf50ae",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-15T07:26:55Z",
    "title_canon_sha256": "551ad624ea9942c72883f81311d1fa28b18f9eefcffab7c67ea68f92cf12fe42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2620",
    "kind": "arxiv",
    "version": 1
  }
}