Pith Number

pith:SJAXTF2C

pith:2017:SJAXTF2CA6ERYDUK4CWXEVC5NO

not attested not anchored not stored refs pending

Hamming distance completeness and sparse matrix multiplication

Daniel Graf, Karim Labib, Przemys{\l}aw Uzna\'nski

arxiv:1711.03887 v2 · 2017-11-10 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJAXTF2CA6ERYDUK4CWXEVC5NO}

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	2026-05-18T00:16:50.419532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

924179974207891c0e8ae0ad72545d6bb512d78a310f4f5c8952626f5d2586d5

Aliases

arxiv: 1711.03887 · arxiv_version: 1711.03887v2 · doi: 10.48550/arxiv.1711.03887 · pith_short_12: SJAXTF2CA6ER · pith_short_16: SJAXTF2CA6ERYDUK · pith_short_8: SJAXTF2C

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/SJAXTF2CA6ERYDUK4CWXEVC5NO \
  | 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: 924179974207891c0e8ae0ad72545d6bb512d78a310f4f5c8952626f5d2586d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eaeefb386461623feb4b9d2430ac36354e09f7c9361c1dcf5506c861c4d7dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-10T15:41:53Z",
    "title_canon_sha256": "01050fa1ed5587fe705fe9295121d745e449b23a11406ff99a256bb5859f1fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03887",
    "kind": "arxiv",
    "version": 2
  }
}