Pith Number

pith:45235QXI

pith:2019:45235QXICSWAWXUWLSI3IKF7GJ

not attested not anchored not stored refs pending

The nature of PISN candidates: clues from nebular spectra

M. Tanaka, P. A. Mazzali, S. E. Woosley, T. J. Moriya

arxiv:1901.07629 v1 · 2019-01-22 · 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{45235QXICSWAWXUWLSI3IKF7GJ}

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	2026-05-17T23:55:16.734706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e775bec2e814ac0b5e965c91b428bf327b6fc4ed60bdafdaa8ec2617633d034b

Aliases

arxiv: 1901.07629 · arxiv_version: 1901.07629v1 · doi: 10.48550/arxiv.1901.07629 · pith_short_12: 45235QXICSWA · pith_short_16: 45235QXICSWAWXUW · pith_short_8: 45235QXI

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/45235QXICSWAWXUWLSI3IKF7GJ \
  | 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: e775bec2e814ac0b5e965c91b428bf327b6fc4ed60bdafdaa8ec2617633d034b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cddac1e7d913620dfb6e9665616638f7238eeb2c411d3a3564ba82a1028d04d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-22T22:22:06Z",
    "title_canon_sha256": "4a3ab51c0308e88122ace59e1bf5453b10e2130e2b418192a7e7bea4d0530418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07629",
    "kind": "arxiv",
    "version": 1
  }
}