Pith Number

pith:K33ZQ74A

pith:2017:K33ZQ74ACL7D475H64DDS4UGPL

not attested not anchored not stored refs pending

Reaching a Target in the Plane with no Information

Andrzej Pelc

arxiv:1710.07145 v1 · 2017-10-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K33ZQ74ACL7D475H64DDS4UGPL}

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	2026-05-18T00:32:26.868014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56f7987f8012fe3e7fa7f7063972867adf228848c78a0b3d2083359577f24b0e

Aliases

arxiv: 1710.07145 · arxiv_version: 1710.07145v1 · doi: 10.48550/arxiv.1710.07145 · pith_short_12: K33ZQ74ACL7D · pith_short_16: K33ZQ74ACL7D475H · pith_short_8: K33ZQ74A

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/K33ZQ74ACL7D475H64DDS4UGPL \
  | 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: 56f7987f8012fe3e7fa7f7063972867adf228848c78a0b3d2083359577f24b0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d445b416c640975fd3ef7972e8e2b2bb1c69b41f52ce905f8099cbbec11d18d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-10-19T13:53:51Z",
    "title_canon_sha256": "d73c4f1135e4b8fb098bedb5fee5d2bc720a8ba2c9e82d433f5ca5a1d80c7ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07145",
    "kind": "arxiv",
    "version": 1
  }
}