Pith Number

pith:P3CMM3ZK

pith:2007:P3CMM3ZKLI4XZCSZYO7XDASGJH

not attested not anchored not stored refs pending

Multiwavelength Monitoring of the Unusual Ultraluminous Supernova SN 1978K in NGC 1313 and the Search for an Associated Gamma-Ray Burst

A. Stacy, E. P. Liang, I. A. Smith, M. Boettcher, M. Pakull, S. D. Ryder, S. J. Tingay

arxiv:0707.2953 v1 · 2007-07-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3CMM3ZKLI4XZCSZYO7XDASGJH}

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	2026-07-04T15:44:28.909573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec4c66f2a5a397c8a59c3bf71824649da49d16a800459b0343ae6e46477137e

Aliases

arxiv: 0707.2953 · arxiv_version: 0707.2953v1 · doi: 10.48550/arxiv.0707.2953 · pith_short_12: P3CMM3ZKLI4X · pith_short_16: P3CMM3ZKLI4XZCSZ · pith_short_8: P3CMM3ZK

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/P3CMM3ZKLI4XZCSZYO7XDASGJH \
  | 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: 7ec4c66f2a5a397c8a59c3bf71824649da49d16a800459b0343ae6e46477137e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4ace0d9b011046743a870144ce6faad80c99460ba81992fff831c80a22a09f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-19T19:16:54Z",
    "title_canon_sha256": "c3699e279872b69fa6cd65a3ccc319cd28216b4969fee8a2f86e2225f97fdd42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2953",
    "kind": "arxiv",
    "version": 1
  }
}