Pith Number

pith:7Y3ICYE7

pith:2022:7Y3ICYE7BNSRBWBO2QPFALK3ST

not attested not anchored not stored refs pending

Artificial Intelligence Assisted Inversion (AIAI): Quantifying the Spectral Features of $^{56}$Ni of Type Ia Supernovae

Lei Hu, Lifan Wang, Peter J. Brown, Xingzhuo Chen

arxiv:2210.15892 v2 · 2022-10-28 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Y3ICYE7BNSRBWBO2QPFALK3ST}

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	2026-07-05T05:15:43.753324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe3681609f0b6510d82ed41e502d5b94c4a4748031488ba77822af92e4d6ff98

Aliases

arxiv: 2210.15892 · arxiv_version: 2210.15892v2 · doi: 10.48550/arxiv.2210.15892 · pith_short_12: 7Y3ICYE7BNSR · pith_short_16: 7Y3ICYE7BNSRBWBO · pith_short_8: 7Y3ICYE7

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/7Y3ICYE7BNSRBWBO2QPFALK3ST \
  | 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: fe3681609f0b6510d82ed41e502d5b94c4a4748031488ba77822af92e4d6ff98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f395d04dec0eefb76ef3ca8ca4cda8ac9458a7333acbe320a1ca3c5320e138",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-10-28T04:50:36Z",
    "title_canon_sha256": "a0ae0d40f177761af4f93d52fe516291bf04528633385af40411c1d5d00ad48c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.15892",
    "kind": "arxiv",
    "version": 2
  }
}