Pith Number

pith:ZH24EVUR

pith:2021:ZH24EVURPQ3P4ML2OH6PB5GALC

not attested not anchored not stored refs pending

End-to-End Egospheric Spatial Memory

Andrew J. Davison, Daniel Lenton, Ronald Clark, Stephen James

arxiv:2102.07764 v2 · 2021-02-15 · cs.RO · cs.AI · cs.CV · 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{ZH24EVURPQ3P4ML2OH6PB5GALC}

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	2026-07-05T02:16:02.303591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f5c256917c36fe317a71fcf0f4c058a016511f3547b7a88c375e25382f81fd

Aliases

arxiv: 2102.07764 · arxiv_version: 2102.07764v2 · doi: 10.48550/arxiv.2102.07764 · pith_short_12: ZH24EVURPQ3P · pith_short_16: ZH24EVURPQ3P4ML2 · pith_short_8: ZH24EVUR

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/ZH24EVURPQ3P4ML2OH6PB5GALC \
  | 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: c9f5c256917c36fe317a71fcf0f4c058a016511f3547b7a88c375e25382f81fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0940abad05f225341a00da42de3b1c8006127d02c8199bfbb3f904e8ec5ff4a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-02-15T18:59:07Z",
    "title_canon_sha256": "279b2232c24affc21be47f5e296b5375743cceaef2f1e78144623bbca4b66cae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07764",
    "kind": "arxiv",
    "version": 2
  }
}