Pith Number

pith:ZLHSA4LF

pith:2018:ZLHSA4LFPFNPKKRJGSBRQ3WPS3

not attested not anchored not stored refs pending

Algebraic signatures of convex and non-convex codes

Anne Shiu, Carina Curto, Elizabeth Gross, Jack Jeffries, Katherine Morrison, Nora Youngs, Zvi Rosen

arxiv:1807.02741 v1 · 2018-07-08 · q-bio.NC · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLHSA4LFPFNPKKRJGSBRQ3WPS3}

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	2026-05-18T00:11:16.154988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cacf207165795af52a293483186ecf96d02821873202188467e2d1bc848c1454

Aliases

arxiv: 1807.02741 · arxiv_version: 1807.02741v1 · doi: 10.48550/arxiv.1807.02741 · pith_short_12: ZLHSA4LFPFNP · pith_short_16: ZLHSA4LFPFNPKKRJ · pith_short_8: ZLHSA4LF

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/ZLHSA4LFPFNPKKRJGSBRQ3WPS3 \
  | 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: cacf207165795af52a293483186ecf96d02821873202188467e2d1bc848c1454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b8cceee86a6eff7b833e9cad2f91bca2c765758108b9b389880c0c32adbda1",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-07-08T02:43:04Z",
    "title_canon_sha256": "15d3c7ca92683a11c88eb4866a2942c4efb38b1b610058383b5c586b6be14890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02741",
    "kind": "arxiv",
    "version": 1
  }
}