Pith Number

pith:DO2JNITQ

pith:2013:DO2JNITQMBB6FHERABJKQNC2EI

not attested not anchored not stored refs pending

Expansion-free Cylindrically Symmetric Models

M. Sharif, Z. Yousaf

arxiv:1311.2874 v1 · 2013-10-30 · 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{DO2JNITQMBB6FHERABJKQNC2EI}

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	2026-05-18T03:07:21.643933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb496a2706043e29c910052a8345a222085e148b9c57c7451af5530557c83b3

Aliases

arxiv: 1311.2874 · arxiv_version: 1311.2874v1 · doi: 10.48550/arxiv.1311.2874 · pith_short_12: DO2JNITQMBB6 · pith_short_16: DO2JNITQMBB6FHER · pith_short_8: DO2JNITQ

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/DO2JNITQMBB6FHERABJKQNC2EI \
  | 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: 1bb496a2706043e29c910052a8345a222085e148b9c57c7451af5530557c83b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800916a3f5a86213a482e9eddc1b6879ff7118ff77fda2aef001baca2cf05bef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-10-30T14:59:14Z",
    "title_canon_sha256": "536b6607a017571b46fb809b2c5d14bc22c6f7c68ed2b80f845cfd414e0a91c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2874",
    "kind": "arxiv",
    "version": 1
  }
}