Pith Number

pith:M77BRJ4A

pith:2014:M77BRJ4AH6GNMD24U4A7PSVJWA

not attested not anchored not stored refs pending

Extending invariant complex structures

Gabriela P. Ovando, Isolda E. Cardoso, Rutwig Campoamor Stursberg

arxiv:1406.4091 v1 · 2014-06-16 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M77BRJ4AH6GNMD24U4A7PSVJWA}

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	2026-05-18T02:49:39.257121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fe18a7803f8cd60f5ca701f7caa9b005da89f670c95ec32b282a34905464cc

Aliases

arxiv: 1406.4091 · arxiv_version: 1406.4091v1 · doi: 10.48550/arxiv.1406.4091 · pith_short_12: M77BRJ4AH6GN · pith_short_16: M77BRJ4AH6GNMD24 · pith_short_8: M77BRJ4A

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/M77BRJ4AH6GNMD24U4A7PSVJWA \
  | 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: 67fe18a7803f8cd60f5ca701f7caa9b005da89f670c95ec32b282a34905464cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6d7cb099f7cb554f431644284216896d44a082fed5b8771b3fc346ff00f314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-06-16T18:23:59Z",
    "title_canon_sha256": "c9a444113bd3147674a95a021df52dce7ae02b1e507f016826f96c49177ce3be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4091",
    "kind": "arxiv",
    "version": 1
  }
}