Pith Number

pith:ZXSZBSX6

pith:2015:ZXSZBSX6LKL5EBQFWOK3G2ZW2X

not attested not anchored not stored refs pending

Cosmology in time asymmetric extensions of general relativity

Athens & Valparaiso U., Catolica), Emmanuel N. Saridakis (Natl. Tech. U., Genly Leon (Valparaiso U.

arxiv:1504.07606 v2 · 2015-04-28 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXSZBSX6LKL5EBQFWOK3G2ZW2X}

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	2026-05-18T01:27:23.842920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cde590cafe5a97d20605b395b36b36d5f1668deb72aac166b131ebdf8ef29693

Aliases

arxiv: 1504.07606 · arxiv_version: 1504.07606v2 · doi: 10.48550/arxiv.1504.07606 · pith_short_12: ZXSZBSX6LKL5 · pith_short_16: ZXSZBSX6LKL5EBQF · pith_short_8: ZXSZBSX6

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/ZXSZBSX6LKL5EBQFWOK3G2ZW2X \
  | 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: cde590cafe5a97d20605b395b36b36d5f1668deb72aac166b131ebdf8ef29693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f6f72c1c8279831ec1dd58fb8cb0315332ba3ee75daac63faab57828b10f82",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-28T19:24:09Z",
    "title_canon_sha256": "20c3962b45407837d2b06766200d3f269a823d3b4dcfe30116b835fff188d040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07606",
    "kind": "arxiv",
    "version": 2
  }
}