Pith Number

pith:H2XIU55Q

pith:2016:H2XIU55QLHNXVXQIAD4HFGXDOE

not attested not anchored not stored refs pending

On dual pairs in Dirac Geometry

Ioan Marcut, Pedro Frejlich

arxiv:1602.02700 v4 · 2016-02-08 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2XIU55QLHNXVXQIAD4HFGXDOE}

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	2026-05-18T00:32:51.319541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eae8a77b059db7ade0800f8729ae37131b3fa9c5418298070b66976161d361a

Aliases

arxiv: 1602.02700 · arxiv_version: 1602.02700v4 · doi: 10.48550/arxiv.1602.02700 · pith_short_12: H2XIU55QLHNX · pith_short_16: H2XIU55QLHNXVXQI · pith_short_8: H2XIU55Q

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/H2XIU55QLHNXVXQIAD4HFGXDOE \
  | 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: 3eae8a77b059db7ade0800f8729ae37131b3fa9c5418298070b66976161d361a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201530e98890d28547338d30619d3c93fa42f51f96265a4cb40b45c8f23ea215",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-02-08T19:17:10Z",
    "title_canon_sha256": "929e91615eefb74b4af15b8e8799c5d7983f80abdd72583f9abe8657a9305682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02700",
    "kind": "arxiv",
    "version": 4
  }
}