Pith Number

pith:QBBT6TH2

pith:2017:QBBT6TH2UOU6BSQ2JDJMFIOWJP

not attested not anchored not stored refs pending

Einstein-Cartan wormhole solutions

Amir Hadi Ziaie, Mohammad Reza Mehdizadeh

arxiv:1704.06923 v1 · 2017-04-23 · 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{QBBT6TH2UOU6BSQ2JDJMFIOWJP}

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	2026-05-18T00:45:10.521458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80433f4cfaa3a9e0ca1a48d2c2a1d64bcf8eb0f7675d8fa7fb8b9fed9147eb54

Aliases

arxiv: 1704.06923 · arxiv_version: 1704.06923v1 · doi: 10.48550/arxiv.1704.06923 · pith_short_12: QBBT6TH2UOU6 · pith_short_16: QBBT6TH2UOU6BSQ2 · pith_short_8: QBBT6TH2

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/QBBT6TH2UOU6BSQ2JDJMFIOWJP \
  | 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: 80433f4cfaa3a9e0ca1a48d2c2a1d64bcf8eb0f7675d8fa7fb8b9fed9147eb54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "841cfb780e12037d18b6a95082cea8144527ff481bcd8a16f149564dc76c28fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-23T14:04:08Z",
    "title_canon_sha256": "70af0ec9bb1e5640a2aa56526f20c91cc5c1301183afd06384dd44bb0ba66814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06923",
    "kind": "arxiv",
    "version": 1
  }
}