Pith Number

pith:5JBCS7Q5

pith:2019:5JBCS7Q5FXCPDTKXBUDXRKFXJW

not attested not anchored not stored refs pending

On the Unity of Logic: a Sequential, Unpolarized Approach

Norihiro Yamada

arxiv:1912.07462 v1 · 2019-12-16 · math.LO · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JBCS7Q5FXCPDTKXBUDXRKFXJW}

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	2026-07-05T00:26:21.867817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea42297e1d2dc4f1cd570d0778a8b74db6169d0951001c2f0ac06d15c17f7004

Aliases

arxiv: 1912.07462 · arxiv_version: 1912.07462v1 · doi: 10.48550/arxiv.1912.07462 · pith_short_12: 5JBCS7Q5FXCP · pith_short_16: 5JBCS7Q5FXCPDTKX · pith_short_8: 5JBCS7Q5

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/5JBCS7Q5FXCPDTKXBUDXRKFXJW \
  | 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: ea42297e1d2dc4f1cd570d0778a8b74db6169d0951001c2f0ac06d15c17f7004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb4b73a6b620e66a686db5fe040e59eebe3e212a685578f4bc848647521417c",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-12-16T15:54:27Z",
    "title_canon_sha256": "e0553d9993997f369fa6fa974244da34658d79543afcadfc71c9ed68348a5260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07462",
    "kind": "arxiv",
    "version": 1
  }
}