pith. sign in
Pith Number

pith:2X4IV4IZ

pith:2011:2X4IV4IZ2S6XTEG4LDYQVD2POI
not attested not anchored not stored refs pending

PHA*: Finding the Shortest Path with A* in An Unknown Physical Environment

A. Ben-Yair, A. Felner, N. Netanyahu, R. Stern, S. Kraus

arxiv:1107.0041 v1 · 2011-06-30 · cs.AI

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?
Add to your LaTeX paper 
\usepackage{pith}
\pithnumber{2X4IV4IZ2S6XTEG4LDYQVD2POI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T04:19:02.850922Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d5f88af119d4bd7990dc58f10a8f4f720e9586401484d1bf41ff0fbc1d52527c

Aliases

arxiv: 1107.0041 · arxiv_version: 1107.0041v1 · doi: 10.48550/arxiv.1107.0041 · pith_short_12: 2X4IV4IZ2S6X · pith_short_16: 2X4IV4IZ2S6XTEG4 · pith_short_8: 2X4IV4IZ
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/2X4IV4IZ2S6XTEG4LDYQVD2POI \
  | 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: d5f88af119d4bd7990dc58f10a8f4f720e9586401484d1bf41ff0fbc1d52527c
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "4b88e6d3b677f7b8cc2152c660ee2e225fe07ff6069e56d82c5a9d2c5d860b81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-06-30T20:38:33Z",
    "title_canon_sha256": "acd1e158f39c2c789a781c487ac6620fb98edaf4ce9d0851a7b242efa81b9ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0041",
    "kind": "arxiv",
    "version": 1
  }
}