Pith Number

pith:2NEHP4K5

pith:2012:2NEHP4K5AO2BKZKGLR4HXPYTU6

not attested not anchored not stored refs pending

Photometric observations and preliminary modeling of type IIb supernova 2011dh

D. Yu. Tsvetkov, E. I. Sorokina, G. V. Borisov, I. M. Volkov, N. N. Pavlyuk, S. I. Blinnikov

arxiv:1207.2241 v1 · 2012-07-10 · 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{2NEHP4K5AO2BKZKGLR4HXPYTU6}

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	2026-05-18T03:44:13.487818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34877f15d03b41565465c787bbf13a7b8b2d5218ba96c63ee88d17bcea97acc

Aliases

arxiv: 1207.2241 · arxiv_version: 1207.2241v1 · doi: 10.48550/arxiv.1207.2241 · pith_short_12: 2NEHP4K5AO2B · pith_short_16: 2NEHP4K5AO2BKZKG · pith_short_8: 2NEHP4K5

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/2NEHP4K5AO2BKZKGLR4HXPYTU6 \
  | 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: d34877f15d03b41565465c787bbf13a7b8b2d5218ba96c63ee88d17bcea97acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb55b08b87829c1b655c21f6cd73be07ed6466c7c48ee6487c1efd8e7fee91e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-10T06:49:07Z",
    "title_canon_sha256": "5dab1094658ce585c2ab113c12243eaa6467fdf602abfe7f0fde9000eb98cd90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2241",
    "kind": "arxiv",
    "version": 1
  }
}