Pith Number

pith:YTFEEZOP

pith:2018:YTFEEZOP7RU4V4BBCRBBZYAIIY

not attested not anchored not stored refs pending

Linear codes with few weights over $\mathbb{F}_2+u\mathbb{F}_2$

Liqin Qian, Minjia Shi, Patrick Sole

arxiv:1802.09919 v1 · 2018-02-24 · cs.IT · math.IT

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	2026-05-18T00:22:21.902564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ca4265cffc69caf02114421ce00846120a6bf3f4380f4800ffa0da21973c81

Aliases

arxiv: 1802.09919 · arxiv_version: 1802.09919v1 · doi: 10.48550/arxiv.1802.09919 · pith_short_12: YTFEEZOP7RU4 · pith_short_16: YTFEEZOP7RU4V4BB · pith_short_8: YTFEEZOP

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/YTFEEZOP7RU4V4BBCRBBZYAIIY \
  | 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: c4ca4265cffc69caf02114421ce00846120a6bf3f4380f4800ffa0da21973c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59fcd8836de4bd3f2aa7426ce2b427a18fd7e28fda234e737c6edfdb0c006bf5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-24T12:04:13Z",
    "title_canon_sha256": "20ee4d7a18c563b886b08c9748945d4c22bbefcf5cdd94ccbe005e10b1e21136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09919",
    "kind": "arxiv",
    "version": 1
  }
}