Pith Number

pith:SIIATGVD

pith:2026:SIIATGVDUCGVOCL4PLSZQE2UMI

not attested not anchored not stored refs pending

Proof and More Variations of Bellman's Lost-in-a-forest Problem

Zhipeng Deng

arxiv:2606.13987 v2 · 2026-06-12 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIIATGVDUCGVOCL4PLSZQE2UMI}

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.

Cited by

1 paper in Pith

Universal Triangle Covering Curve and Polygonal Chain: Escaping Forest and Fitting Worm

Receipt and verification

First computed	2026-06-29T00:14:03.609612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9210099aa3a08d57097c7ae598135462357f7762399a24a137bdd4d75ddd558c

Aliases

arxiv: 2606.13987 · arxiv_version: 2606.13987v2 · doi: 10.48550/arxiv.2606.13987 · pith_short_12: SIIATGVDUCGV · pith_short_16: SIIATGVDUCGVOCL4 · pith_short_8: SIIATGVD

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/SIIATGVDUCGVOCL4PLSZQE2UMI \
  | 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: 9210099aa3a08d57097c7ae598135462357f7762399a24a137bdd4d75ddd558c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda313d1b115acd941474ddf4a0ce28ee205379181d4e6067f1a7cc1bfff6769",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-12T00:06:32Z",
    "title_canon_sha256": "787b13b21c5e54a6fe2f4d01c475095dbaaef9201a7a2efc97eaac8fa945709c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13987",
    "kind": "arxiv",
    "version": 2
  }
}