Pith Number

pith:WDHTA2WQ

pith:2019:WDHTA2WQ6OABEHBWOFGIXRKCI4

not attested not anchored not stored refs pending

Traversable wormholes in Einsteinian cubic gravity

Amir Hadi Ziaie, Mohammad Reza Mehdizadeh

arxiv:1903.10907 v2 · 2019-03-24 · 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{WDHTA2WQ6OABEHBWOFGIXRKCI4}

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	2026-07-05T00:45:43.061176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cf306ad0f380121c36714c8bc542471dc6132104dab56b752dadd9354bfd50

Aliases

arxiv: 1903.10907 · arxiv_version: 1903.10907v2 · doi: 10.48550/arxiv.1903.10907 · pith_short_12: WDHTA2WQ6OAB · pith_short_16: WDHTA2WQ6OABEHBW · pith_short_8: WDHTA2WQ

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/WDHTA2WQ6OABEHBWOFGIXRKCI4 \
  | 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: b0cf306ad0f380121c36714c8bc542471dc6132104dab56b752dadd9354bfd50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbbcfb72d61cc428a1c1cba9cefa8370902d92df0c8e78fea234df20857b27ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-24T10:15:59Z",
    "title_canon_sha256": "c1a499100a073fec15171d01fa04e65baa88f880785cb0d327b4ab84c8058c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10907",
    "kind": "arxiv",
    "version": 2
  }
}