Pith Number

pith:I3XGW73O

pith:2019:I3XGW73OUSXMM6SZOQKRIWTHWU

not attested not anchored not stored refs pending

The Berkeley sample of Type II supernovae: BVRI light curves and spectroscopy of 55 SNe II

A. Bigley, A. V. Filippenko, A. Wilkins, B. E. Cobb, B. E. Stahl, B. Jeffers, B. Y. Choi, C. Casper, C. Gould, C. Soler, D. A. Perley, D. Cohen, D. Poznanski, E. Falcon, E. J. Leonard, G. Halevi, G. Z. Li, H. Kim, H. Yuk, I. Shivvers, J. Bradley, J. C. Mauerhan, J. Hestenes, J. Molloy, J. M. Silverman, K. Blanchard, K. D. Zhang, K. Fuller, K. I. Clubb, K. J. McAllister, K. Pina, K. Tang, K. T. Hayakawa, M. de Kouchkovsky, M. Ellison, M. Ganeshalingam, M. Kim, M. L. Graham, M. Mason, M. Modjaz, M. P. Hyland, M. T. Kandrashoff, N. Joubert, O. D. Fox, P. K. Blanchard, P. L. Kelly, P. Lu, S. B. Cenko, S. Channa, S. K. Cargill, S. Kumar, S. Stegman, S. Taylor, S. Yunus, T. B. Lowe, T. de Jaeger, T. G. Brink, T. W. Ross, W. Zheng, Xianggao Wang, Xiaofeng Wang

arxiv:1909.13813 v1 · 2019-09-24 · 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{I3XGW73OUSXMM6SZOQKRIWTHWU}

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	2026-07-05T00:10:45.220753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ee6b7f6ea4aec67a597415145a67b50943864a7851ec04c33e995b0dc53557

Aliases

arxiv: 1909.13813 · arxiv_version: 1909.13813v1 · doi: 10.48550/arxiv.1909.13813 · pith_short_12: I3XGW73OUSXM · pith_short_16: I3XGW73OUSXMM6SZ · pith_short_8: I3XGW73O

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/I3XGW73OUSXMM6SZOQKRIWTHWU \
  | 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: 46ee6b7f6ea4aec67a597415145a67b50943864a7851ec04c33e995b0dc53557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed20fe253224a75863bb7aec672056d54c90fee4c97e548122bd3577f714bf69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-24T19:24:58Z",
    "title_canon_sha256": "e91a7bc2d819092733323b673f1bb11890f1a08c3389906f1c26b092bddbc8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13813",
    "kind": "arxiv",
    "version": 1
  }
}