Pith Number

pith:AZL77R3W

pith:2020:AZL77R3W7P5GMX4MHPR2BIPLIA

not attested not anchored not stored refs pending

An Improved Approach for Estimating Social POI Boundaries With Textual Attributes on Social Media

Cong Tran, Dung D. Vu, Won-Yong Shin

arxiv:2012.09990 v1 · 2020-12-18 · cs.SI · cs.AI · cs.DS · cs.LG · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZL77R3W7P5GMX4MHPR2BIPLIA}

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	2026-07-05T02:00:23.776744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0657ffc776fbfa665f8c3be3a0a1eb40284d9f1087da74464edfa78c224aa352

Aliases

arxiv: 2012.09990 · arxiv_version: 2012.09990v1 · doi: 10.48550/arxiv.2012.09990 · pith_short_12: AZL77R3W7P5G · pith_short_16: AZL77R3W7P5GMX4M · pith_short_8: AZL77R3W

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/AZL77R3W7P5GMX4MHPR2BIPLIA \
  | 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: 0657ffc776fbfa665f8c3be3a0a1eb40284d9f1087da74464edfa78c224aa352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "966214475e5addebe3808bd0fe6eb3c8a9cc0470fce66a3c462a61b5ccf13ec4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "cs.LG",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-12-18T00:41:44Z",
    "title_canon_sha256": "c697fee6d18c86a7af47557cc174a78022ab561978120c0729398baed107a66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09990",
    "kind": "arxiv",
    "version": 1
  }
}