Pith Number

pith:MLKJEAL4

pith:2019:MLKJEAL4NXWMLYYZ7FOR5VURWR

not attested not anchored not stored refs pending

Macaw: An Extensible Conversational Information Seeking Platform

Hamed Zamani, Nick Craswell

arxiv:1912.08904 v1 · 2019-12-18 · cs.IR · cs.CL · 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{MLKJEAL4NXWMLYYZ7FOR5VURWR}

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	2026-07-05T00:27:21.493327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62d492017c6decc5e319f95d1ed691b44c8ab6fb6e867c10cf74084cad451580

Aliases

arxiv: 1912.08904 · arxiv_version: 1912.08904v1 · doi: 10.48550/arxiv.1912.08904 · pith_short_12: MLKJEAL4NXWM · pith_short_16: MLKJEAL4NXWMLYYZ · pith_short_8: MLKJEAL4

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/MLKJEAL4NXWMLYYZ7FOR5VURWR \
  | 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: 62d492017c6decc5e319f95d1ed691b44c8ab6fb6e867c10cf74084cad451580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d665478442bbb7b2eb891279e59e7e4b113a89f21dd689e55fb1b0a0b38cb687",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-12-18T21:51:22Z",
    "title_canon_sha256": "89a563b7eacd4d3321466622fc7327a42156d2dfbd240ebf0d3360128c4ffb69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08904",
    "kind": "arxiv",
    "version": 1
  }
}