Pith Number

pith:SPMUFIQW

pith:2019:SPMUFIQWFJJIBYZUS645WEXKMG

not attested not anchored not stored refs pending

Pharos: improving navigation instructions on smartwatches by including global landmarks

B. Hecht, D. Wenig, J. Sch\"oning, N. Wenig, R. Malaka, S. Ernst

arxiv:1904.01694 v1 · 2019-04-02 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPMUFIQWFJJIBYZUS645WEXKMG}

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	2026-05-17T23:49:30.136839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d942a2162a5280e33497b9db12ea61b74c32270bc2d561a71a0f1f82e1028b

Aliases

arxiv: 1904.01694 · arxiv_version: 1904.01694v1 · doi: 10.48550/arxiv.1904.01694 · pith_short_12: SPMUFIQWFJJI · pith_short_16: SPMUFIQWFJJIBYZU · pith_short_8: SPMUFIQW

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/SPMUFIQWFJJIBYZUS645WEXKMG \
  | 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: 93d942a2162a5280e33497b9db12ea61b74c32270bc2d561a71a0f1f82e1028b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5047405feb9bf92c0364907c6b9c44fb588570a3936c8071724dcd59acddc722",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-04-02T22:43:55Z",
    "title_canon_sha256": "825421cb1941705c9536928e83f0bdbab9c68cb5239130afe7edf687e6294468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01694",
    "kind": "arxiv",
    "version": 1
  }
}