Pith Number

pith:ZZUFH3IA

pith:2019:ZZUFH3IA25VPGM72WV6NHCWQ7X

not attested not anchored not stored refs pending

Find It: A Novel Way to Learn Through Play

Md. Tashfiqul Bari, Raisa Tabassum, Swakkhar Shatabda, Tanvir Hassan, Zubaida Ahmed

arxiv:1907.05800 v1 · 2019-07-12 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZUFH3IA25VPGM72WV6NHCWQ7X}

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	2026-05-17T23:40:44.356576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce6853ed00d76af333fab57cd38ad0fde78d3fb32887d4e4b7aba784fbb90a25

Aliases

arxiv: 1907.05800 · arxiv_version: 1907.05800v1 · doi: 10.48550/arxiv.1907.05800 · pith_short_12: ZZUFH3IA25VP · pith_short_16: ZZUFH3IA25VPGM72 · pith_short_8: ZZUFH3IA

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/ZZUFH3IA25VPGM72WV6NHCWQ7X \
  | 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: ce6853ed00d76af333fab57cd38ad0fde78d3fb32887d4e4b7aba784fbb90a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1552b66545fe7db83864b2e895ede53013cb0e211bd07cb64339a4e5047d2fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-07-12T15:34:50Z",
    "title_canon_sha256": "f1b7540f5f6fbbd912c9117f285be574e6211ef40148659d54bad98e976db68e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05800",
    "kind": "arxiv",
    "version": 1
  }
}