Pith Number

pith:45UQUSRM

pith:2017:45UQUSRMYVO7S3RLTTWV5AU7UR

not attested not anchored not stored refs pending

The Extinction Properties of and Distance to the Highly Reddened Type Ia Supernova SN 2012cu

A. G. Kim, A. Stocker, B. Hayden, C. Baltay, C. Buton, C. Saunders, C. Sofiatti, C. Tao, D. Baugh, D. Fouchez, D. Rabinowitz, D. Rubin, E. Gangler, E. Pecontal, G. Aldering, G. Smadja, H. K. Fakhouri, J. Chen, J. Nordin, K. Barbary, K. Boone, K. Runge, M. Kowalski, M. Rigault, N. Chotard, N. Suzuki, P. Antilogus, P. Fagrelius, P.-F. Leget, R. C. Thomas (The Nearby Supernova Factory), R. Pain, R. Pereira, S. Bailey, S. Bongard, S. Lombardo, S. Perlmutter, S. Taubenberger, U. Feindt, W. Hillebrandt, X. Huang, Y. Copin, Z. Raha

arxiv:1701.01422 v1 · 2017-01-05 · astro-ph.SR · astro-ph.CO · astro-ph.GA · 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{45UQUSRMYVO7S3RLTTWV5AU7UR}

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	2026-05-18T00:50:17.434214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7690a4a2cc55df96e2b9ced5e829fa4461642b761d992374c1d58a7360250b5

Aliases

arxiv: 1701.01422 · arxiv_version: 1701.01422v1 · doi: 10.48550/arxiv.1701.01422 · pith_short_12: 45UQUSRMYVO7 · pith_short_16: 45UQUSRMYVO7S3RL · pith_short_8: 45UQUSRM

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/45UQUSRMYVO7S3RLTTWV5AU7UR \
  | 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: e7690a4a2cc55df96e2b9ced5e829fa4461642b761d992374c1d58a7360250b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a97ec3e2d78d57a14cf35c2c69502553ec0e67a435cfe50b55d6a1bcd82eaa",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-05T18:57:32Z",
    "title_canon_sha256": "b75523c47b53717248d328b7b56f64484682bc4ce86638470186380a443987e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01422",
    "kind": "arxiv",
    "version": 1
  }
}