Pith Number

pith:B7DK3WQS

pith:2015:B7DK3WQST4WHGKSXW5Q5UPE3HA

not attested not anchored not stored refs pending

SAT problem and statistical distance

Feng Pan

arxiv:1502.07545 v3 · 2015-02-26 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7DK3WQST4WHGKSXW5Q5UPE3HA}

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	2026-05-18T01:31:11.318177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc6adda129f2c732a57b761da3c9b381eb5097065d60cc731abd3b28814fc19

Aliases

arxiv: 1502.07545 · arxiv_version: 1502.07545v3 · doi: 10.48550/arxiv.1502.07545 · pith_short_12: B7DK3WQST4WH · pith_short_16: B7DK3WQST4WHGKSX · pith_short_8: B7DK3WQS

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/B7DK3WQST4WHGKSXW5Q5UPE3HA \
  | 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: 0fc6adda129f2c732a57b761da3c9b381eb5097065d60cc731abd3b28814fc19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20aac4059eafc5616d01ebfa8a6b57e046cbc6f2f341abcbcfaa4c3963d30f6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-02-26T13:28:06Z",
    "title_canon_sha256": "357a461ac100a0021228ffb5ec00302d8d405eadd2946a6b79abcddc8919f992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07545",
    "kind": "arxiv",
    "version": 3
  }
}