Pith Number

pith:J4LPIWJK

pith:2016:J4LPIWJKVPWVL7D6BKFB64ZHET

not attested not anchored not stored refs pending

Efficient Certified Resolution Proof Checking

Joao Marques-Silva, Lu\'is Cruz-Filipe, Peter Schneider-Kamp

arxiv:1610.06984 v2 · 2016-10-22 · 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{J4LPIWJKVPWVL7D6BKFB64ZHET}

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	2026-05-18T00:38:30.940623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f16f4592aabed55fc7e0a8a1f732724def8c19e71c77789551f2bdf0a41745c

Aliases

arxiv: 1610.06984 · arxiv_version: 1610.06984v2 · doi: 10.48550/arxiv.1610.06984 · pith_short_12: J4LPIWJKVPWV · pith_short_16: J4LPIWJKVPWVL7D6 · pith_short_8: J4LPIWJK

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/J4LPIWJKVPWVL7D6BKFB64ZHET \
  | 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: 4f16f4592aabed55fc7e0a8a1f732724def8c19e71c77789551f2bdf0a41745c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cebc9afefe67b171efe9d1149e7ff1755fe2eabb3a997b2af3fbb1524421b82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-10-22T01:43:43Z",
    "title_canon_sha256": "ad113f7a88c16a68de8d1fad1ead4e1bf7db92d336acbb8ff339abce39baa5ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06984",
    "kind": "arxiv",
    "version": 2
  }
}