Pith Number

pith:R7VMVTGZ

pith:2014:R7VMVTGZAGQA77ELW57564JZID

not attested not anchored not stored refs pending

The neural ring: using algebraic geometry to analyze neural codes

Nora Youngs

arxiv:1409.2544 v1 · 2014-09-08 · q-bio.NC · math.AC · math.AG · 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{R7VMVTGZAGQA77ELW57564JZID}

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	2026-05-18T02:43:10.310376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8feacaccd901a00ffc8bb77fdf713940e04a6719c6357c7662779fc9ef53401d

Aliases

arxiv: 1409.2544 · arxiv_version: 1409.2544v1 · doi: 10.48550/arxiv.1409.2544 · pith_short_12: R7VMVTGZAGQA · pith_short_16: R7VMVTGZAGQA77EL · pith_short_8: R7VMVTGZ

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/R7VMVTGZAGQA77ELW57564JZID \
  | 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: 8feacaccd901a00ffc8bb77fdf713940e04a6719c6357c7662779fc9ef53401d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a8fabb423ed4a726b632d907259d57b01037fbf9d4bfff7ae158b060123ef8",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2014-09-08T22:53:53Z",
    "title_canon_sha256": "4eefc61951e74efb08bf69a13b824fa2989e251d0a3f1d563e822d49e831cc92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2544",
    "kind": "arxiv",
    "version": 1
  }
}