Pith Number

pith:BYZCGGH6

pith:2012:BYZCGGH67IQLXK54T275JSMHUA

not attested not anchored not stored refs pending

The center of the Type Ia supernova remnant SNR 0509-67.5 is empty of any ex-companion star to M_V=+8.4

Ashley Pagnotta, Bradley E. Schaefer

arxiv:1201.2195 v1 · 2012-01-10 · 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{BYZCGGH67IQLXK54T275JSMHUA}

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	2026-05-18T04:04:52.863119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e322318fefa20bbabbc9ebfd4c987a03c5a24598d6e3c26e3020e5fa1471fc6

Aliases

arxiv: 1201.2195 · arxiv_version: 1201.2195v1 · doi: 10.48550/arxiv.1201.2195 · pith_short_12: BYZCGGH67IQL · pith_short_16: BYZCGGH67IQLXK54 · pith_short_8: BYZCGGH6

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/BYZCGGH67IQLXK54T275JSMHUA \
  | 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: 0e322318fefa20bbabbc9ebfd4c987a03c5a24598d6e3c26e3020e5fa1471fc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6f9d60ac64b03437e677f25849a263e3401dc3631b539cffcb029443d3286a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-10T22:06:41Z",
    "title_canon_sha256": "575544487c51a2fbc98a683163d9d2e60e319b40df1bcb91556b5c1182d31a47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2195",
    "kind": "arxiv",
    "version": 1
  }
}