Pith Number

pith:H2UAJI7D

pith:2012:H2UAJI7DWRLYLPFSAOF5EUUWVD

not attested not anchored not stored refs pending

Discrete Duality for Tense Symmetric Heyting Algebras

Aldo V. Figallo, Claudia Sanza, Gustavo Pelaitay

arxiv:1203.5427 v1 · 2012-03-24 · math.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{H2UAJI7DWRLYLPFSAOF5EUUWVD}

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	2026-05-18T03:59:15.134260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea804a3e3b45785bcb2038bd25296a8dcf19b7830807641ab138df2d43d769e

Aliases

arxiv: 1203.5427 · arxiv_version: 1203.5427v1 · doi: 10.48550/arxiv.1203.5427 · pith_short_12: H2UAJI7DWRLY · pith_short_16: H2UAJI7DWRLYLPFS · pith_short_8: H2UAJI7D

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/H2UAJI7DWRLYLPFSAOF5EUUWVD \
  | 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: 3ea804a3e3b45785bcb2038bd25296a8dcf19b7830807641ab138df2d43d769e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e68c1a649c66ad3900c5913032a7136d3d8784cc76270b3ac837fd0d47fbde10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-03-24T16:06:27Z",
    "title_canon_sha256": "de8835e2e6f41ff2405db6decb9e452b137c0e55821344833d6a172fa108ae0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5427",
    "kind": "arxiv",
    "version": 1
  }
}