Pith Number

pith:ECBYTXCG

pith:2026:ECBYTXCGGBMTAHXHRYEZ32MH4S

not attested not anchored not stored refs pending

A note on cubical Bloch--Levine cycle complexes

Peter Xu

arxiv:2607.01540 v1 · 2026-07-01 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECBYTXCGGBMTAHXHRYEZ32MH4S}

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	2026-07-03T00:17:03.523490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208389dc463059301ee78e099de987e498f169d681a2b0bbcbbb57b9beda6a50

Aliases

arxiv: 2607.01540 · arxiv_version: 2607.01540v1 · doi: 10.48550/arxiv.2607.01540 · pith_short_12: ECBYTXCGGBMT · pith_short_16: ECBYTXCGGBMTAHXH · pith_short_8: ECBYTXCG

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/ECBYTXCGGBMTAHXHRYEZ32MH4S \
  | 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: 208389dc463059301ee78e099de987e498f169d681a2b0bbcbbb57b9beda6a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a2032eef71e5f77f98ff3c5ea133deefc9aef81c71abe4853eccfb903fbad0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-01T23:41:02Z",
    "title_canon_sha256": "25f83d3e6a42312e316dd0e8ea093f27cda5189bf89ae3ef03f1a20dda5cb10b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01540",
    "kind": "arxiv",
    "version": 1
  }
}