Pith Number

pith:FED7K2E7

pith:2015:FED7K2E7TINEHKGIIRNKSLDIDM

not attested not anchored not stored refs pending

Activity recognition for a smartphone and web based travel survey

Ajinkya Ghorpade, Fang Zhao, Francisco C. Pereira, Moshe Ben-Akiva, P. Christopher Zegras, Youngsung Kim

arxiv:1502.03634 v1 · 2015-02-12 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FED7K2E7TINEHKGIIRNKSLDIDM}

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	2026-05-18T02:27:08.593932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2907f5689f9a1a43a8c8445aa92c681b0a19bba46fb02a3fddbd6f439d08ff08

Aliases

arxiv: 1502.03634 · arxiv_version: 1502.03634v1 · doi: 10.48550/arxiv.1502.03634 · pith_short_12: FED7K2E7TINE · pith_short_16: FED7K2E7TINEHKGI · pith_short_8: FED7K2E7

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/FED7K2E7TINEHKGIIRNKSLDIDM \
  | 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: 2907f5689f9a1a43a8c8445aa92c681b0a19bba46fb02a3fddbd6f439d08ff08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5f42b7b87ed739ed1e28716eb0994fb7c10281846294b75a82cb2065cd0234e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-02-12T12:40:32Z",
    "title_canon_sha256": "13c8c7389703b42a035e03c4cd163cdc66b4141000e8f6b9a4f8f5e30dd8271e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03634",
    "kind": "arxiv",
    "version": 1
  }
}