Pith Number

pith:6KJUOSUU

pith:2018:6KJUOSUUGUSPZFFDVHVNTCMCE4

not attested not anchored not stored refs pending

Optimal Human Navigation in Steep Terrain: a Hamilton-Jacobi-Bellman Approach

Andrea L. Bertozzi, Christian Parkinson, David Arnold, Stanley Osher, Yat Tin Chow

arxiv:1805.04973 v3 · 2018-05-13 · 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{6KJUOSUUGUSPZFFDVHVNTCMCE4}

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	2026-05-18T00:12:37.933326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f293474a943524fc94a3a9ead98982273beac3193daa093f7c9ee56e5e832698

Aliases

arxiv: 1805.04973 · arxiv_version: 1805.04973v3 · doi: 10.48550/arxiv.1805.04973 · pith_short_12: 6KJUOSUUGUSP · pith_short_16: 6KJUOSUUGUSPZFFD · pith_short_8: 6KJUOSUU

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/6KJUOSUUGUSPZFFDVHVNTCMCE4 \
  | 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: f293474a943524fc94a3a9ead98982273beac3193daa093f7c9ee56e5e832698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d94ad38c8e42057f6ce717bb76969c2938a179a866ce5b240d44d0a956a28877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-13T23:24:31Z",
    "title_canon_sha256": "675bed3cd46744cf8b3927992098f15cf4389c7d1f7b06378a9bdf1b81d7d877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04973",
    "kind": "arxiv",
    "version": 3
  }
}