Pith Number

pith:BT7BUNQC

pith:2013:BT7BUNQCJDVP34TP2MTD5KTKUX

not attested not anchored not stored refs pending

Off-center observers versus supernovae in inhomogeneous pressure universes

Adam Balcerzak, Mariusz P. Dabrowski, Tomasz Denkiewicz

arxiv:1312.1567 v4 · 2013-12-05 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT7BUNQCJDVP34TP2MTD5KTKUX}

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	2026-05-18T01:45:58.309990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cfe1a360248eafdf26fd3263eaa6aa5df00b1656c54f26bc7981f0a65993daf

Aliases

arxiv: 1312.1567 · arxiv_version: 1312.1567v4 · doi: 10.48550/arxiv.1312.1567 · pith_short_12: BT7BUNQCJDVP · pith_short_16: BT7BUNQCJDVP34TP · pith_short_8: BT7BUNQC

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/BT7BUNQCJDVP34TP2MTD5KTKUX \
  | 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: 0cfe1a360248eafdf26fd3263eaa6aa5df00b1656c54f26bc7981f0a65993daf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e9ce69bd8964c528893a1680d701bfb9f400fa6679ff55ef0f96c11cb7b5ede",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-05T14:56:53Z",
    "title_canon_sha256": "7e2ad3e719ef7f72d14e25fade9ee3097cd767c97ce8466c404245177cf67c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1567",
    "kind": "arxiv",
    "version": 4
  }
}