Pith Number

pith:KUTDG2DE

pith:2017:KUTDG2DE4ZHHBFDTH3GLLKXNN2

not attested not anchored not stored refs pending

Reddened, Redshifted, or Intrinsically Red? Understanding Near-Ultraviolet Colors of Type Ia Supernovae

Maximilian D. Stritzinger, Nancy J. Landez, Peter A. Milne, Peter J. Brown

arxiv:1706.04439 v1 · 2017-06-08 · 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{KUTDG2DE4ZHHBFDTH3GLLKXNN2}

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	2026-05-18T00:42:22.661241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5526336864e64e7094733eccb5aaed6ea735dcbf7866142f1396c6f26f9cd634

Aliases

arxiv: 1706.04439 · arxiv_version: 1706.04439v1 · doi: 10.48550/arxiv.1706.04439 · pith_short_12: KUTDG2DE4ZHH · pith_short_16: KUTDG2DE4ZHHBFDT · pith_short_8: KUTDG2DE

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/KUTDG2DE4ZHHBFDTH3GLLKXNN2 \
  | 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: 5526336864e64e7094733eccb5aaed6ea735dcbf7866142f1396c6f26f9cd634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41f48f4f885cc0943801dc1fcff8911cbaf5c4b42b023d82c6be6bc96f5e39fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-08T21:57:23Z",
    "title_canon_sha256": "6df731eac47f507eb9f55244a68f58bc2039b3e9c8c5e71ca9fda54f4ae09b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04439",
    "kind": "arxiv",
    "version": 1
  }
}