Pith Number

pith:DFGGFU7F

pith:2011:DFGGFU7F2X4PIBS7SY6CJALMG4

not attested not anchored not stored refs pending

An Upper Bound on Broadcast Subspace Codes

Thomas Honold, Yimin Pang

arxiv:1110.3855 v1 · 2011-10-18 · cs.IT · math.AG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFGGFU7F2X4PIBS7SY6CJALMG4}

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	2026-05-18T04:10:47.795768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194c62d3e5d5f8f4065f963c24816c372abdec697733de03fc6dacf7ffee3bc5

Aliases

arxiv: 1110.3855 · arxiv_version: 1110.3855v1 · doi: 10.48550/arxiv.1110.3855 · pith_short_12: DFGGFU7F2X4P · pith_short_16: DFGGFU7F2X4PIBS7 · pith_short_8: DFGGFU7F

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/DFGGFU7F2X4PIBS7SY6CJALMG4 \
  | 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: 194c62d3e5d5f8f4065f963c24816c372abdec697733de03fc6dacf7ffee3bc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506667fcc69e89434443021e8f58efa58b1ea6945d42c148965ce431fe8f7d57",
    "cross_cats_sorted": [
      "math.AG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-18T00:22:06Z",
    "title_canon_sha256": "b46e9974652601a5706aa02051c72e80580fb4ddd470f3b73cb77f691a120cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3855",
    "kind": "arxiv",
    "version": 1
  }
}