Pith Number

pith:D5AZVRRP

pith:2010:D5AZVRRPFDYREPFVBOCWOPUG2I

not attested not anchored not stored refs pending

Radio and X-ray Observations of the Type Ic SN 2007gr Reveal an Ordinary, Non-relativistic Explosion

Alicia M. Soderberg, Andreas Brunthaler, Ehud Nakar, Michael F. Bietenholz, Roger A. Chevalier

arxiv:1005.1932 v2 · 2010-05-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5AZVRRPFDYREPFVBOCWOPUG2I}

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	2026-05-18T02:07:34.033609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f419ac62f28f1123cb50b85673e86d2331971bc44bd97fecab3827210e16749

Aliases

arxiv: 1005.1932 · arxiv_version: 1005.1932v2 · doi: 10.48550/arxiv.1005.1932 · pith_short_12: D5AZVRRPFDYR · pith_short_16: D5AZVRRPFDYREPFV · pith_short_8: D5AZVRRP

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/D5AZVRRPFDYREPFVBOCWOPUG2I \
  | 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: 1f419ac62f28f1123cb50b85673e86d2331971bc44bd97fecab3827210e16749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84d0f158aa83cd426661bb6358d929356d8f679650c1982d57dec83c8d943b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-11T20:01:41Z",
    "title_canon_sha256": "8e166dcce27754ebef96f2e45a7cb61d14855b58b5b70e36940afbdc34c054cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1932",
    "kind": "arxiv",
    "version": 2
  }
}