Pith Number

pith:EP5TI4DN

pith:2016:EP5TI4DNW3VQBN3KBDYCVMKZ3E

not attested not anchored not stored refs pending

On Stronger Calculi for QBFs

Uwe Egly

arxiv:1604.06483 v1 · 2016-04-21 · 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{EP5TI4DNW3VQBN3KBDYCVMKZ3E}

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	2026-05-18T01:16:28.959638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fb34706db6eb00b76a08f02ab159d9350a6b40bdf673c1d2a4204e7c1b8fc5

Aliases

arxiv: 1604.06483 · arxiv_version: 1604.06483v1 · doi: 10.48550/arxiv.1604.06483 · pith_short_12: EP5TI4DNW3VQ · pith_short_16: EP5TI4DNW3VQBN3K · pith_short_8: EP5TI4DN

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/EP5TI4DNW3VQBN3KBDYCVMKZ3E \
  | 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: 23fb34706db6eb00b76a08f02ab159d9350a6b40bdf673c1d2a4204e7c1b8fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "481bede8f4e0f40067ce7b8345dab2d1e35f933e96321c596180583844a0cb31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-04-21T20:37:53Z",
    "title_canon_sha256": "270b04eae73e01087a375a88c7f34ed8e000a1a0ed69d155eec499c4634196d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06483",
    "kind": "arxiv",
    "version": 1
  }
}