Pith Number

pith:NCCAI6AZ

pith:2017:NCCAI6AZ2VSKPRHZTSXIHTEZR3

not attested not anchored not stored refs pending

Designing Deterministic Polynomial-Space Algorithms by Color-Coding Multivariate Polynomials

Felix Reidl, Gregory Gutin, Magnus Wahlstr\"om, Meirav Zehavi

arxiv:1706.03698 v2 · 2017-06-12 · cs.DS

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

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	2026-05-18T00:27:46.462883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6884047819d564a7c4f99cae83cc998eeaf504db6eba42e84241aadbe431e729

Aliases

arxiv: 1706.03698 · arxiv_version: 1706.03698v2 · doi: 10.48550/arxiv.1706.03698 · pith_short_12: NCCAI6AZ2VSK · pith_short_16: NCCAI6AZ2VSKPRHZ · pith_short_8: NCCAI6AZ

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/NCCAI6AZ2VSKPRHZTSXIHTEZR3 \
  | 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: 6884047819d564a7c4f99cae83cc998eeaf504db6eba42e84241aadbe431e729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e9fb73e678166d94f22179b349daea756fab5c2262b5a33c0e99fce17d4db6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-06-12T15:47:38Z",
    "title_canon_sha256": "fb36d6a177f60691dd714f20d98b5ae1343cb033a266259dc281694c70348257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03698",
    "kind": "arxiv",
    "version": 2
  }
}