Pith Number

pith:HAM2BEL7

pith:2012:HAM2BEL77OJQVGAK5HDBG26FD4

not attested not anchored not stored refs pending

BVRI lightcurves of supernovae SN 2011fe in M101, SN 2012aw in M95, and SN 2012cg in NGC 4424

A. Henden, A. Vagnozzi, F. Castellani, G. Cherini, G.L. Righetti, R. Belligoli, U. Munari

arxiv:1209.4692 v1 · 2012-09-21 · 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{HAM2BEL77OJQVGAK5HDBG26FD4}

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	2026-05-18T01:54:20.344418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3819a0917ffb930a980ae9c6136bc51f3eec1b81258cc31184fe299c98b055e2

Aliases

arxiv: 1209.4692 · arxiv_version: 1209.4692v1 · doi: 10.48550/arxiv.1209.4692 · pith_short_12: HAM2BEL77OJQ · pith_short_16: HAM2BEL77OJQVGAK · pith_short_8: HAM2BEL7

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/HAM2BEL77OJQVGAK5HDBG26FD4 \
  | 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: 3819a0917ffb930a980ae9c6136bc51f3eec1b81258cc31184fe299c98b055e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce09ccf7fd9935ff2bb266bf8245929cdf5168bf4c942559b26372db9bf5f4a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-21T02:28:40Z",
    "title_canon_sha256": "3477de1eaf938f6ee01b0f0b5d1ebd31e56d63bd2831b9da75e15f866ca67224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4692",
    "kind": "arxiv",
    "version": 1
  }
}