Pith Number

pith:FYGA6675

pith:2013:FYGA667533SYESO62AJYXCQZHO

not attested not anchored not stored refs pending

What Shapes Supernova Remnants?

Laura A. Lopez (MIT)

arxiv:1306.2638 v1 · 2013-06-11 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYGA667533SYESO62AJYXCQZHO}

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	2026-05-18T01:49:23.519063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e0c0f7bfddee58249ded0138b8a193b9667eef4c85924f9be83557fd811a843

Aliases

arxiv: 1306.2638 · arxiv_version: 1306.2638v1 · doi: 10.48550/arxiv.1306.2638 · pith_short_12: FYGA667533SY · pith_short_16: FYGA667533SYESO6 · pith_short_8: FYGA6675

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/FYGA667533SYESO62AJYXCQZHO \
  | 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: 2e0c0f7bfddee58249ded0138b8a193b9667eef4c85924f9be83557fd811a843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "479003a0f837300a386e9874da6803324e08a18dbdc7da3568b28d23be236654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-11T20:00:03Z",
    "title_canon_sha256": "1dbb7a140c6bdea92d3e27d1d99c38b5fbeef950c234d1e44b2a53a6886d267e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2638",
    "kind": "arxiv",
    "version": 1
  }
}