Pith Number

pith:ANBXQNXO

pith:2018:ANBXQNXOCPFTPFVP4YMASZG7IS

not attested not anchored not stored refs pending

A new invariance identity and means

Janusz Matkowski, Jimmy Devillet

arxiv:1807.04811 v3 · 2018-07-12 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANBXQNXOCPFTPFVP4YMASZG7IS}

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	2026-05-18T00:05:13.828624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03437836ee13cb3796afe6180964df44978cb4bed3c57d0e68e9a731cee29500

Aliases

arxiv: 1807.04811 · arxiv_version: 1807.04811v3 · doi: 10.48550/arxiv.1807.04811 · pith_short_12: ANBXQNXOCPFT · pith_short_16: ANBXQNXOCPFTPFVP · pith_short_8: ANBXQNXO

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/ANBXQNXOCPFTPFVP4YMASZG7IS \
  | 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: 03437836ee13cb3796afe6180964df44978cb4bed3c57d0e68e9a731cee29500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb57d1af281160384e5ad4785683936aaf18efa1c0a41d01dd75397ffbc75e10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-07-12T20:31:16Z",
    "title_canon_sha256": "97bf35f6de0ece43721cceca83bb1210be9e1e539520eb6f57b903d559fc39a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04811",
    "kind": "arxiv",
    "version": 3
  }
}