Pith Number

pith:YKUQIBLK

pith:2016:YKUQIBLKVZVGDM6XMPVN6Q4D6D

not attested not anchored not stored refs pending

Breaking the color-reddening degeneracy in type Ia supernovae

C. Ashall, E. E. O. Ishida, M. Sasdelli, P. A. Mazzali, S. Prentice, W. Hillebrandt

arxiv:1604.03899 v1 · 2016-04-13 · astro-ph.SR · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKUQIBLKVZVGDM6XMPVN6Q4D6D}

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	2026-05-18T01:16:12.798454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a904056aae6a61b3d763eadf4383f0f55bb708972e8ed4648dbb14e4f0d476

Aliases

arxiv: 1604.03899 · arxiv_version: 1604.03899v1 · doi: 10.48550/arxiv.1604.03899 · pith_short_12: YKUQIBLKVZVG · pith_short_16: YKUQIBLKVZVGDM6X · pith_short_8: YKUQIBLK

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/YKUQIBLKVZVGDM6XMPVN6Q4D6D \
  | 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: c2a904056aae6a61b3d763eadf4383f0f55bb708972e8ed4648dbb14e4f0d476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ab41c1652d0c2e23c99afedf4d142ef201b384e5202794c0ad8e558078ec2a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-13T18:14:30Z",
    "title_canon_sha256": "0deba8f802878f755b07d1e43272fe8e6c36bd6497b4407da5fb21a385fd3cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03899",
    "kind": "arxiv",
    "version": 1
  }
}