Pith Number

pith:Y6AE6CRG

pith:2019:Y6AE6CRG6PAT4XV4THGBX4M2JR

not attested not anchored not stored refs pending

Extensions of Full Shifts with Group Actions

Bartosz Frej, Dawid Huczek

arxiv:1901.01145 v1 · 2019-01-04 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6AE6CRG6PAT4XV4THGBX4M2JR}

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	2026-05-17T23:56:56.935116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7804f0a26f3c13e5ebc99cc1bf19a4c434a477bc2b18b3d8c65fb7427e5eb6b

Aliases

arxiv: 1901.01145 · arxiv_version: 1901.01145v1 · doi: 10.48550/arxiv.1901.01145 · pith_short_12: Y6AE6CRG6PAT · pith_short_16: Y6AE6CRG6PAT4XV4 · pith_short_8: Y6AE6CRG

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/Y6AE6CRG6PAT4XV4THGBX4M2JR \
  | 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: c7804f0a26f3c13e5ebc99cc1bf19a4c434a477bc2b18b3d8c65fb7427e5eb6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7832bfcb4ea553afaaa6312218e03650ee11ac25396a8a94aeddfeafa6bf0ef4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-04T14:41:49Z",
    "title_canon_sha256": "abf443ef0bfd98adb0a37ccd43a85ead11e99064c9f58ebe3b1bae577205c687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01145",
    "kind": "arxiv",
    "version": 1
  }
}