Pith Number

pith:4YOTHLXX

pith:2021:4YOTHLXXLYCVWRDDCCTD2P7RMV

not attested not anchored not stored refs pending

From nonabelian basechange to basechange with coefficients

Peter J. Haine

arxiv:2108.03545 v3 · 2021-08-08 · math.CT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YOTHLXXLYCVWRDDCCTD2P7RMV}

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.

Cited by

1 paper in Pith

Nori motives (and mixed Hodge modules) with integral coefficients

Receipt and verification

First computed	2026-07-05T04:59:52.669412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61d33aef75e055b446310a63d3ff1657a23d99ee6d110c87f803b0161af48c6

Aliases

arxiv: 2108.03545 · arxiv_version: 2108.03545v3 · doi: 10.48550/arxiv.2108.03545 · pith_short_12: 4YOTHLXXLYCV · pith_short_16: 4YOTHLXXLYCVWRDD · pith_short_8: 4YOTHLXX

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/4YOTHLXXLYCVWRDDCCTD2P7RMV \
  | 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: e61d33aef75e055b446310a63d3ff1657a23d99ee6d110c87f803b0161af48c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6bc1df98270d9470527d9c37ffe181ddb9fece75d703e3e485d87994d9ed8e2",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-08-08T00:42:59Z",
    "title_canon_sha256": "867d04a4a870e45d995404a14c991aa9ef63bea80d7a73799107b582dfc1839f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03545",
    "kind": "arxiv",
    "version": 3
  }
}