Pith Number

pith:MZCYB3XK

pith:2023:MZCYB3XKPDZG6NTPAMGSL2IA55

not attested not anchored not stored refs pending

Mephisto: A Framework for Portable, Reproducible, and Iterative Crowdsourcing

Jack Urbanek, Pratik Ringshia

arxiv:2301.05154 v1 · 2023-01-12 · cs.AI · 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{MZCYB3XKPDZG6NTPAMGSL2IA55}

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	2026-07-05T05:32:41.167384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664580eeea78f26f366f030d25e900ef4e0a0b6c09cbf400a5ddfa0de65b5f30

Aliases

arxiv: 2301.05154 · arxiv_version: 2301.05154v1 · doi: 10.48550/arxiv.2301.05154 · pith_short_12: MZCYB3XKPDZG · pith_short_16: MZCYB3XKPDZG6NTP · pith_short_8: MZCYB3XK

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/MZCYB3XKPDZG6NTPAMGSL2IA55 \
  | 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: 664580eeea78f26f366f030d25e900ef4e0a0b6c09cbf400a5ddfa0de65b5f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3807841b5fdbce14aedd5e14f87d883654f37c36083716e8d12caf4b70359dd5",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2023-01-12T17:14:51Z",
    "title_canon_sha256": "1222a80b9592c27783c1369d8a487e1b8bf31ea93cdd006bad4c4e5979b16cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05154",
    "kind": "arxiv",
    "version": 1
  }
}