Pith Number

pith:FMK3JSST

pith:2018:FMK3JSSTEZPL2ABJ3UOZ3FY5DE

not attested not anchored not stored refs pending

Continuous Combinatorics of Abelian Group Actions

Brandon Seward, Edward Krohne, Steve Jackson, Su Gao

arxiv:1803.03872 v2 · 2018-03-11 · math.LO · math.CO · 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{FMK3JSSTEZPL2ABJ3UOZ3FY5DE}

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

Undecidability of the block gluing classes of homshifts

Receipt and verification

First computed	2026-07-05T05:58:12.952499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b15b4ca53265ebd0029dd1d9d971d1913b9318218851c9e8e319d65553ae73c

Aliases

arxiv: 1803.03872 · arxiv_version: 1803.03872v2 · doi: 10.48550/arxiv.1803.03872 · pith_short_12: FMK3JSSTEZPL · pith_short_16: FMK3JSSTEZPL2ABJ · pith_short_8: FMK3JSST

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/FMK3JSSTEZPL2ABJ3UOZ3FY5DE \
  | 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: 2b15b4ca53265ebd0029dd1d9d971d1913b9318218851c9e8e319d65553ae73c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d478b4fbf98cec3eed9a4433934a18a48a190d3d665df24a440155ac908e49bc",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-03-11T01:06:58Z",
    "title_canon_sha256": "0cf1ec90241169c4b5c33d671bc9f7589764f7bea9fd1b363f940e6c4a2363be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03872",
    "kind": "arxiv",
    "version": 2
  }
}