Pith Number

pith:MB7CD73S

pith:2012:MB7CD73SVCJGF6TZWUSAQSD2C7

not attested not anchored not stored refs pending

Non-thermal excitation and ionization in supernovae

Chengdong Li, D. John Hillier, Luc Dessart

arxiv:1206.0215 v1 · 2012-06-01 · 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{MB7CD73SVCJGF6TZWUSAQSD2C7}

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	2026-05-18T01:57:08.841620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607e21ff72a89262fa79b52408487a17c53752cfb33df663c77a80bf1a922ede

Aliases

arxiv: 1206.0215 · arxiv_version: 1206.0215v1 · doi: 10.48550/arxiv.1206.0215 · pith_short_12: MB7CD73SVCJG · pith_short_16: MB7CD73SVCJGF6TZ · pith_short_8: MB7CD73S

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/MB7CD73SVCJGF6TZWUSAQSD2C7 \
  | 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: 607e21ff72a89262fa79b52408487a17c53752cfb33df663c77a80bf1a922ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f6cf37568bff038789f8b0718b613902aa77d44ace7d247fa16bf35e105d95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-01T15:04:01Z",
    "title_canon_sha256": "f1ee81f3575a3d3b10099a9b7f77653aa5f3c5b32c601646cd7fc72e51924abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0215",
    "kind": "arxiv",
    "version": 1
  }
}