Pith Number

pith:OHO6KZ7S

pith:2019:OHO6KZ7SQCNQMSSKMYWJQ375C7

not attested not anchored not stored refs pending

Follow the Flow: sets, relations, and categories as special cases of functions with no domain

Adonai Sant'Anna, Marcio de Franca, Otavio Bueno

arxiv:1912.00801 v2 · 2019-11-28 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHO6KZ7SQCNQMSSKMYWJQ375C7}

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	2026-06-24T01:14:54.561253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71dde567f2809b064a4a662c986ffd17dbd54c62a65bcae60377065ca44060d7

Aliases

arxiv: 1912.00801 · arxiv_version: 1912.00801v2 · doi: 10.48550/arxiv.1912.00801 · pith_short_12: OHO6KZ7SQCNQ · pith_short_16: OHO6KZ7SQCNQMSSK · pith_short_8: OHO6KZ7S

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/OHO6KZ7SQCNQMSSKMYWJQ375C7 \
  | 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: 71dde567f2809b064a4a662c986ffd17dbd54c62a65bcae60377065ca44060d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86439e0b9081d5c299c26e06a30016fb32e1f8bf45c55a7d341dd18ea825de7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-11-28T19:53:03Z",
    "title_canon_sha256": "7716b8f92380df226782e4b98f274de76cdb31d35dd785ec37f31132f50a0e1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00801",
    "kind": "arxiv",
    "version": 2
  }
}