Pith Number

pith:WORF5YGB

pith:2017:WORF5YGB27MDDQFJ2JWAPOWQ7M

not attested not anchored not stored refs pending

A Tale of Two Impostors: SN2002kg and SN1954J in NGC 2403

Kris Davidson, Michael S. Gordon, Roberta M. Humphreys, Schuyler D. Van Dyk

arxiv:1709.01528 v1 · 2017-09-05 · 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{WORF5YGB27MDDQFJ2JWAPOWQ7M}

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	2026-05-18T00:32:05.357916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a25ee0c1d7d831c0a9d26c07bad0fb2f6933bcb756e89e1e057e2a06863ea0

Aliases

arxiv: 1709.01528 · arxiv_version: 1709.01528v1 · doi: 10.48550/arxiv.1709.01528 · pith_short_12: WORF5YGB27MD · pith_short_16: WORF5YGB27MDDQFJ · pith_short_8: WORF5YGB

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/WORF5YGB27MDDQFJ2JWAPOWQ7M \
  | 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: b3a25ee0c1d7d831c0a9d26c07bad0fb2f6933bcb756e89e1e057e2a06863ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1388cfd5bff716bd318d19c70a0dcd4df66946957fbb5ddb6fac52fa6f5def37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-05T18:00:53Z",
    "title_canon_sha256": "f8b90e754dfe116d552ea71ff5e561c4ecd4e9657b49a3aed0aebed6187e8232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01528",
    "kind": "arxiv",
    "version": 1
  }
}