Pith Number

pith:MG35B2IT

pith:2018:MG35B2ITNO7HJK2ZJHA6TLMZOH

not attested not anchored not stored refs pending

A note on rank 2 diagonals

Angelo Bella, Santi Spadaro

arxiv:1811.02386 v1 · 2018-11-06 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MG35B2ITNO7HJK2ZJHA6TLMZOH}

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	2026-05-18T00:01:24.411215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61b7d0e9136bbe74ab5949c1e9ad9971f6a5e90afb396a351fc45f0a84fada80

Aliases

arxiv: 1811.02386 · arxiv_version: 1811.02386v1 · doi: 10.48550/arxiv.1811.02386 · pith_short_12: MG35B2ITNO7H · pith_short_16: MG35B2ITNO7HJK2Z · pith_short_8: MG35B2IT

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/MG35B2ITNO7HJK2ZJHA6TLMZOH \
  | 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: 61b7d0e9136bbe74ab5949c1e9ad9971f6a5e90afb396a351fc45f0a84fada80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156f871efce6467401bac6b4a3598cbd04bf5cf24941eaf43cdd66f9d18a5ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-11-06T14:56:24Z",
    "title_canon_sha256": "22c5a9abb750ccd4249107859d564e9c6b11277ab05bef42f862d084cb369ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02386",
    "kind": "arxiv",
    "version": 1
  }
}