Pith Number

pith:WGT7J3OW

pith:2020:WGT7J3OWXMFAYQXG3JVU2HYEP7

not attested not anchored not stored refs pending

Tractable Combinations of Temporal CSPs

Jakub Rydval, Johannes Greiner, Manuel Bodirsky

arxiv:2012.05682 v6 · 2020-12-10 · math.LO · cs.CC · 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{WGT7J3OWXMFAYQXG3JVU2HYEP7}

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	2026-07-05T06:23:31.749207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a7f4edd6bb0a0c42e6da6b4d1f047fc641414e0261969cfa3e7129c026b22e

Aliases

arxiv: 2012.05682 · arxiv_version: 2012.05682v6 · doi: 10.48550/arxiv.2012.05682 · pith_short_12: WGT7J3OWXMFA · pith_short_16: WGT7J3OWXMFAYQXG · pith_short_8: WGT7J3OW

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/WGT7J3OWXMFAYQXG3JVU2HYEP7 \
  | 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: b1a7f4edd6bb0a0c42e6da6b4d1f047fc641414e0261969cfa3e7129c026b22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68dc12805538386ecb43a027eb957a7159cb56d1d49fe38f16d93a881337d712",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-12-10T14:08:34Z",
    "title_canon_sha256": "42f3bbda255d0762b99a86281f4bfffdf73213d79564e37e27f6642a19c1974e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.05682",
    "kind": "arxiv",
    "version": 6
  }
}