Pith Number

pith:Y5POWQ5W

pith:2020:Y5POWQ5WWZCJWHFZNR2KGJCW7L

not attested not anchored not stored refs pending

Emergent Symbols through Binding in External Memory

Ishan Sinha, Jonathan D. Cohen, Taylor W. Webb

arxiv:2012.14601 v2 · 2020-12-29 · cs.AI · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5POWQ5WWZCJWHFZNR2KGJCW7L}

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	2026-07-05T02:21:54.561224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75eeb43b6b6449b1cb96c74a32456fafcee070d164bd1238076e8582fbdb240

Aliases

arxiv: 2012.14601 · arxiv_version: 2012.14601v2 · doi: 10.48550/arxiv.2012.14601 · pith_short_12: Y5POWQ5WWZCJ · pith_short_16: Y5POWQ5WWZCJWHFZ · pith_short_8: Y5POWQ5W

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/Y5POWQ5WWZCJWHFZNR2KGJCW7L \
  | 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: c75eeb43b6b6449b1cb96c74a32456fafcee070d164bd1238076e8582fbdb240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222e44af5cb83f7acfc7437076e2f28303c427ec833946f296a8b94f0c4821f6",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-12-29T04:28:32Z",
    "title_canon_sha256": "c71dbeda5a16b3d32c2ccd46063e26be7134c6b491b6655cc53d5e63059ba123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14601",
    "kind": "arxiv",
    "version": 2
  }
}