Pith Number

pith:NUE7IMFR

pith:2006:NUE7IMFRNEI5SSXPCNPV2QBNVA

not attested not anchored not stored refs pending

A postmortem investigation of the Type IIb supernova 2001ig

2), (2) University of Tasmania), Clair E. Murrowood (1, Raylee A. Stathakis (1) ((1) Anglo-Australian Observatory, Stuart D. Ryder (1)

arxiv:astro-ph/0603336 v1 · 2006-03-14 · 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{NUE7IMFRNEI5SSXPCNPV2QBNVA}

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	2026-05-18T04:27:04.241167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d09f430b16911d94aef135f5d402da82d860e9cd3a290c38538737e0b14d170

Aliases

arxiv: astro-ph/0603336 · arxiv_version: astro-ph/0603336v1 · doi: 10.48550/arxiv.astro-ph/0603336 · pith_short_12: NUE7IMFRNEI5 · pith_short_16: NUE7IMFRNEI5SSXP · pith_short_8: NUE7IMFR

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/NUE7IMFRNEI5SSXPCNPV2QBNVA \
  | 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: 6d09f430b16911d94aef135f5d402da82d860e9cd3a290c38538737e0b14d170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ce486d12cd0032c102e03c01e8882b610502556907c3fed8ebb97efa1984ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-14T03:55:59Z",
    "title_canon_sha256": "cdf50149e61941ffa21af50f917391063176def58bd2d20545729b314db2ed91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603336",
    "kind": "arxiv",
    "version": 1
  }
}