pith. sign in
Pith Number

pith:FSMOIZ6W

pith:2013:FSMOIZ6WYNBCZ2OYFX64SMGIYV
not attested not anchored not stored refs pending

Possible existence of wormholes in the galactic halo region

Farook Rahaman, Nasarul Islam, P.K.F. Kuhfittig, Saibal Ray

arxiv:1307.1237 v4 · 2013-07-04 · gr-qc · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FSMOIZ6WYNBCZ2OYFX64SMGIYV}

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 2026-05-18T01:48:59.837539Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c98e467d6c3422ce9d82dfdc930c8c56054603aa9ca9314dc75e37e92c910e3

Aliases

arxiv: 1307.1237 · arxiv_version: 1307.1237v4 · doi: 10.48550/arxiv.1307.1237 · pith_short_12: FSMOIZ6WYNBC · pith_short_16: FSMOIZ6WYNBCZ2OY · pith_short_8: FSMOIZ6W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FSMOIZ6WYNBCZ2OYFX64SMGIYV \
  | 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: 2c98e467d6c3422ce9d82dfdc930c8c56054603aa9ca9314dc75e37e92c910e3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eccc0da317b74f717548e4b0b929b172666e69a3191e016ad7bb44b50e3d16d4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-04T08:15:23Z",
    "title_canon_sha256": "069811f841121a75a7e49f4e84cb83c1e95b778fce9fd34f669f21e08bb71428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1237",
    "kind": "arxiv",
    "version": 4
  }
}