Pith Number

pith:VFXT5LPF

pith:2018:VFXT5LPF672HMHPF2K3VIQ7MWJ

not attested not anchored not stored refs pending

A brief introduction to amenable equivalence relations

Justin Tatch Moore

arxiv:1809.00422 v1 · 2018-09-03 · math.LO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFXT5LPF672HMHPF2K3VIQ7MWJ}

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	2026-05-18T00:06:35.244240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a96f3eade5f7f4761de5d2b75443ecb273b9746420859422bf4545be16f4aaf5

Aliases

arxiv: 1809.00422 · arxiv_version: 1809.00422v1 · doi: 10.48550/arxiv.1809.00422 · pith_short_12: VFXT5LPF672H · pith_short_16: VFXT5LPF672HMHPF · pith_short_8: VFXT5LPF

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/VFXT5LPF672HMHPF2K3VIQ7MWJ \
  | 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: a96f3eade5f7f4761de5d2b75443ecb273b9746420859422bf4545be16f4aaf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7012066e2f51260fc6239d4499d6f5a8aae7af883e408497f03ebb892aa97c1d",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-09-03T01:33:07Z",
    "title_canon_sha256": "ea79539f79ce192061842d1e867727413ba72b1437a60f3c97cd40a33fadba27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00422",
    "kind": "arxiv",
    "version": 1
  }
}