Pith Number

pith:W7B5BBGX

pith:2015:W7B5BBGXGNSLR7LUYJQCKY5QSZ

not attested not anchored not stored refs pending

A topological metric in 2+1-dimensions

M. Halilsoy, S. Habib Mazharimousavi

arxiv:1502.07662 v2 · 2015-02-07 · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7B5BBGXGNSLR7LUYJQCKY5QSZ}

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	2026-05-18T01:55:52.679334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c3d084d73364b8fd74c2602563b09670f27b4e771897b51b18ff05e6b89411

Aliases

arxiv: 1502.07662 · arxiv_version: 1502.07662v2 · doi: 10.48550/arxiv.1502.07662 · pith_short_12: W7B5BBGXGNSL · pith_short_16: W7B5BBGXGNSLR7LU · pith_short_8: W7B5BBGX

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/W7B5BBGXGNSLR7LUYJQCKY5QSZ \
  | 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: b7c3d084d73364b8fd74c2602563b09670f27b4e771897b51b18ff05e6b89411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bbdea0241ef0454ac70203cda3359083899950f6b0ff8eee47fc90653ad7a13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2015-02-07T10:00:58Z",
    "title_canon_sha256": "2e5c94ccfe707ca35ad6122daf8c7e9df0ffb54dfdc9dd85f157a9b64e8f9cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07662",
    "kind": "arxiv",
    "version": 2
  }
}