Pith Number

pith:IJZDM5QU

pith:2016:IJZDM5QU2ASD7P7IXLAFU4G2EJ

not attested not anchored not stored refs pending

DeepCity: A Feature Learning Framework for Mining Location Check-ins

Jun Pang, Yang Zhang

arxiv:1610.03676 v1 · 2016-10-12 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJZDM5QU2ASD7P7IXLAFU4G2EJ}

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	2026-05-18T01:02:29.612249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4272367614d0243fbfe8bac05a70da226594c10f3265f0f223621f58b0acd310

Aliases

arxiv: 1610.03676 · arxiv_version: 1610.03676v1 · doi: 10.48550/arxiv.1610.03676 · pith_short_12: IJZDM5QU2ASD · pith_short_16: IJZDM5QU2ASD7P7I · pith_short_8: IJZDM5QU

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/IJZDM5QU2ASD7P7IXLAFU4G2EJ \
  | 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: 4272367614d0243fbfe8bac05a70da226594c10f3265f0f223621f58b0acd310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "873747d487fcd7acaab4ebee047d7803ad52b0e31639d43aa6b5fd50b7cb4798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-10-12T11:31:48Z",
    "title_canon_sha256": "b750fc01a2b43ef695d4c5aaa81ea4741da33568c62ce1968928de2b29c9e4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03676",
    "kind": "arxiv",
    "version": 1
  }
}