Pith Number

pith:7AZ27EER

pith:2016:7AZ27EERI3OC6LAEL3SKPRJQ4R

not attested not anchored not stored refs pending

On the Herbrand content of LK

Bahareh Afshari, Graham E. Leigh, Stefan Hetzl

arxiv:1606.06384 v1 · 2016-06-21 · cs.LO · cs.FL · 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{7AZ27EERI3OC6LAEL3SKPRJQ4R}

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	2026-05-18T01:12:11.069796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f833af909146dc2f2c045ee4a7c530e4523000448c524cd5c6fa5963ca862963

Aliases

arxiv: 1606.06384 · arxiv_version: 1606.06384v1 · doi: 10.48550/arxiv.1606.06384 · pith_short_12: 7AZ27EERI3OC · pith_short_16: 7AZ27EERI3OC6LAE · pith_short_8: 7AZ27EER

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/7AZ27EERI3OC6LAEL3SKPRJQ4R \
  | 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: f833af909146dc2f2c045ee4a7c530e4523000448c524cd5c6fa5963ca862963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c61d7b1ebf5a720f599a9dc5b10d1666a122ee23e74325c04f57cfbbccc1403",
    "cross_cats_sorted": [
      "cs.FL",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-06-21T00:49:44Z",
    "title_canon_sha256": "43cc261104a36ba2a0e2ad509c1dae6d26212ef41558db5f49b3765f69c296ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06384",
    "kind": "arxiv",
    "version": 1
  }
}