Pith Number

pith:6LJ4VADG

pith:2016:6LJ4VADGVEN7RUWY3KQ5IBBZGC

not attested not anchored not stored refs pending

Progressive Red Shifts in the Late-Time Spectra of Type Ia Supernovae

C. S. Black, J. T. Parrent, R. A. Fesen

arxiv:1604.01044 v3 · 2016-04-04 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LJ4VADGVEN7RUWY3KQ5IBBZGC}

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	2026-05-18T01:08:42.110020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2d3ca8066a91bf8d2d8daa1d40439309da85b47ddbf31b1ef875e8eaf04bca0

Aliases

arxiv: 1604.01044 · arxiv_version: 1604.01044v3 · doi: 10.48550/arxiv.1604.01044 · pith_short_12: 6LJ4VADGVEN7 · pith_short_16: 6LJ4VADGVEN7RUWY · pith_short_8: 6LJ4VADG

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/6LJ4VADGVEN7RUWY3KQ5IBBZGC \
  | 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: f2d3ca8066a91bf8d2d8daa1d40439309da85b47ddbf31b1ef875e8eaf04bca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4524781d9ca3bccb172c9c2ed9506d773c57abbdba336ce64980496bdc9f25bf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-04T20:10:56Z",
    "title_canon_sha256": "992019bb14685300f09c23bfaf5714bce96497172168155d874bbb49bdddee69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01044",
    "kind": "arxiv",
    "version": 3
  }
}