Pith Number

pith:R7STPH2Z

pith:2014:R7STPH2ZHY6SQU3OKOTRDKBRGY

not attested not anchored not stored refs pending

Robust Satisfiability of Systems of Equations

Marek Krcal, Peter Franek

arxiv:1402.0858 v1 · 2014-02-04 · 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{R7STPH2ZHY6SQU3OKOTRDKBRGY}

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	2026-05-18T03:00:11.774894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe5379f593e3d28536e53a711a8313621acf47892adacf7ba3a289a4bf6647c

Aliases

arxiv: 1402.0858 · arxiv_version: 1402.0858v1 · doi: 10.48550/arxiv.1402.0858 · pith_short_12: R7STPH2ZHY6S · pith_short_16: R7STPH2ZHY6SQU3O · pith_short_8: R7STPH2Z

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/R7STPH2ZHY6SQU3OKOTRDKBRGY \
  | 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: 8fe5379f593e3d28536e53a711a8313621acf47892adacf7ba3a289a4bf6647c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872e417f191b3784924301dd00aa4aa2f879b00875608f492449c18442973bc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-02-04T20:51:37Z",
    "title_canon_sha256": "a87622d8faecde31e776176eb4886c7690373643f1b052873cbd77ce6ca1e32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0858",
    "kind": "arxiv",
    "version": 1
  }
}