Pith Number

pith:PI22B5PG

pith:2011:PI22B5PG6WNR54LBHKNZKSHAME

not attested not anchored not stored refs pending

Topological Properties from Einstein's Equations?

Edmundo M. Monte

arxiv:1108.4821 v1 · 2011-08-24 · 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{PI22B5PG6WNR54LBHKNZKSHAME}

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	2026-05-18T02:00:48.737731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a35a0f5e6f59b1ef1613a9b9548e0612b3ad33cbe4c47cf0c46d05edfc791b2

Aliases

arxiv: 1108.4821 · arxiv_version: 1108.4821v1 · doi: 10.48550/arxiv.1108.4821 · pith_short_12: PI22B5PG6WNR · pith_short_16: PI22B5PG6WNR54LB · pith_short_8: PI22B5PG

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/PI22B5PG6WNR54LBHKNZKSHAME \
  | 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: 7a35a0f5e6f59b1ef1613a9b9548e0612b3ad33cbe4c47cf0c46d05edfc791b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1a6295a64552685c78ff0c07add25637c1d89bc6abea32e7c54db1c8b4a5ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-08-24T12:20:10Z",
    "title_canon_sha256": "d10688ba50a320312bd64f6902cef92c6cf0cb0382a13c63b99ffc4253983488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4821",
    "kind": "arxiv",
    "version": 1
  }
}