Pith Number

pith:SEUADSM2

pith:2018:SEUADSM22XGG5KHOQ3GN27S2VJ

not attested not anchored not stored refs pending

On normality in shifts of finite type

Nicol\'as \'Alvarez, Olivier Carton

arxiv:1807.07208 v2 · 2018-07-19 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEUADSM22XGG5KHOQ3GN27S2VJ}

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	2026-05-17T23:52:41.497208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912801c99ad5cc6ea8ee86ccdd7e5aaa658ba07e6fcdd0f1274b8843a487031c

Aliases

arxiv: 1807.07208 · arxiv_version: 1807.07208v2 · doi: 10.48550/arxiv.1807.07208 · pith_short_12: SEUADSM22XGG · pith_short_16: SEUADSM22XGG5KHO · pith_short_8: SEUADSM2

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/SEUADSM22XGG5KHOQ3GN27S2VJ \
  | 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: 912801c99ad5cc6ea8ee86ccdd7e5aaa658ba07e6fcdd0f1274b8843a487031c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04fdfc7b5229a6fd497d045bd3136e5a24ef56bb4e0227d7dbf43744d0e3248",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-07-19T01:22:07Z",
    "title_canon_sha256": "b44f2d06b95606b38e8fb416d252907397f28c1973a2f753c76b8034d9f279b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07208",
    "kind": "arxiv",
    "version": 2
  }
}