Pith Number

pith:T3CP4UZF

pith:2015:T3CP4UZFEX4E4WWKGRPTPIPJ4W

not attested not anchored not stored refs pending

Scale Factor Self-Dual Cosmological Models

A.A. Lima, G.M. Sotkov, U. Camara dS

arxiv:1502.06497 v3 · 2015-02-23 · hep-th · 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{T3CP4UZFEX4E4WWKGRPTPIPJ4W}

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	2026-05-18T00:48:47.678358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ec4fe532525f84e5aca345f37a1e9e59a6f2b16b3685e358c86e4ef9160cfbc

Aliases

arxiv: 1502.06497 · arxiv_version: 1502.06497v3 · doi: 10.48550/arxiv.1502.06497 · pith_short_12: T3CP4UZFEX4E · pith_short_16: T3CP4UZFEX4E4WWK · pith_short_8: T3CP4UZF

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/T3CP4UZFEX4E4WWKGRPTPIPJ4W \
  | 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: 9ec4fe532525f84e5aca345f37a1e9e59a6f2b16b3685e358c86e4ef9160cfbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489e877eb553e29b3290ae0e2863ed78f04a51928c2021196413a061bc07ee64",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-02-23T16:52:13Z",
    "title_canon_sha256": "7008b666bf2db09aff41027b1b7acef6b54ebac280f28cf039e3975b66432124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06497",
    "kind": "arxiv",
    "version": 3
  }
}