Pith Number

pith:2THKWCOU

pith:2011:2THKWCOU4TZVG2PZTV5ZFYR7KH

not attested not anchored not stored refs pending

Supernova 2000cb: high-energy version of SN 1987A

2), (2) ITEP, (3) Institute of Astronomy, Garching, Moscow, Moscow), N.N. Chugai (3) ((1) MPA, RAS, V.P. Utrobin (1

arxiv:1107.2145 v2 · 2011-07-11 · 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{2THKWCOU4TZVG2PZTV5ZFYR7KH}

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	2026-05-18T02:01:20.051603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ceab09d4e4f35369f99d7b92e23f51f5243c687c5d197ec56b21653c434dee

Aliases

arxiv: 1107.2145 · arxiv_version: 1107.2145v2 · doi: 10.48550/arxiv.1107.2145 · pith_short_12: 2THKWCOU4TZV · pith_short_16: 2THKWCOU4TZVG2PZ · pith_short_8: 2THKWCOU

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/2THKWCOU4TZVG2PZTV5ZFYR7KH \
  | 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: d4ceab09d4e4f35369f99d7b92e23f51f5243c687c5d197ec56b21653c434dee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7718f3d5bc1539986f27c2d5a76f29158b95c5d3707c91e16ed9edf897877ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-11T20:54:23Z",
    "title_canon_sha256": "1e9bce3431ef097edf6a3c679f99a34df03d86284810ba3f627bc17cf4ec2037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2145",
    "kind": "arxiv",
    "version": 2
  }
}