Pith Number

pith:AHFEWCUF

pith:2026:AHFEWCUFW532BZJ3YHZF6ER3OI

not attested not anchored not stored refs pending

Choosing the Geometry: valuations, norms, and contours

Christina Kapatsori, Jens Agerberg, Wojciech Chach\'olski

arxiv:2608.14915 v1 · 2026-08-14 · math.AT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHFEWCUFW532BZJ3YHZF6ER3OI}

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	2026-08-18T01:12:47.140408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01ca4b0a85b777a0e53bc1f25f123b7212ccb480c5535ccfb0918e1e088438c2

Aliases

arxiv: 2608.14915 · arxiv_version: 2608.14915v1 · doi: 10.48550/arxiv.2608.14915 · pith_short_12: AHFEWCUFW532 · pith_short_16: AHFEWCUFW532BZJ3 · pith_short_8: AHFEWCUF

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/AHFEWCUFW532BZJ3YHZF6ER3OI \
  | 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: 01ca4b0a85b777a0e53bc1f25f123b7212ccb480c5535ccfb0918e1e088438c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2c24d0e91c264eab34331218f53d3545a1dfd9440c2d9d05f7b0fb9872c08e6",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-08-14T21:55:45Z",
    "title_canon_sha256": "11f83f3a63e773fb161ae4f5f6654611c3c5beaed1a28f1bef592d9089f4aa69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.14915",
    "kind": "arxiv",
    "version": 1
  }
}