Pith Number

pith:OIIWBPRD

pith:2026:OIIWBPRDSSOA7G3DEOBGTNEYTT

not attested not anchored not stored refs pending

Projective Infinities and b-Calculus

Andreas Cap, A. Rod Gover

arxiv:2606.17597 v1 · 2026-06-16 · 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{OIIWBPRDSSOA7G3DEOBGTNEYTT}

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	2026-06-19T16:10:16.911333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721160be23949c0f9b63238269b4989cdb18913c7832adf97e229f37075126a3

Aliases

arxiv: 2606.17597 · arxiv_version: 2606.17597v1 · doi: 10.48550/arxiv.2606.17597 · pith_short_12: OIIWBPRDSSOA · pith_short_16: OIIWBPRDSSOA7G3D · pith_short_8: OIIWBPRD

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/OIIWBPRDSSOA7G3DEOBGTNEYTT \
  | 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: 721160be23949c0f9b63238269b4989cdb18913c7832adf97e229f37075126a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2787a439534661384026748037b8980926fee4a1d04cadd36283b42d53a44efd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-16T07:04:04Z",
    "title_canon_sha256": "b25d36764d058858c8c3a1f4bc20e745a9dd2972491fa063600304cb5a2ccadb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17597",
    "kind": "arxiv",
    "version": 1
  }
}