Pith Number

pith:UDB5B4Z5

pith:2026:UDB5B4Z5GJOXJMSSDTO5PTUKYE

not attested not anchored not stored refs pending

Data Annotation as Measurement

Allison Koenecke, Emma Harvey, Rene F. Kizilcec

arxiv:2608.07297 v1 · 2026-08-07 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDB5B4Z5GJOXJMSSDTO5PTUKYE}

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	2026-08-10T01:14:54.308536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c3d0f33d325d74b2521cddd7ce8ac12f1620f820226c66bde3b5547a3a2d2e

Aliases

arxiv: 2608.07297 · arxiv_version: 2608.07297v1 · doi: 10.48550/arxiv.2608.07297 · pith_short_12: UDB5B4Z5GJOX · pith_short_16: UDB5B4Z5GJOXJMSS · pith_short_8: UDB5B4Z5

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/UDB5B4Z5GJOXJMSSDTO5PTUKYE \
  | 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: a0c3d0f33d325d74b2521cddd7ce8ac12f1620f820226c66bde3b5547a3a2d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c819ec3e06523f38974154a4d08f1a506d419b00608f0194e97cb6dd9644e04b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-08-07T14:51:27Z",
    "title_canon_sha256": "2a4e1062d006170bc4c159f23417faf2e5c863f35047ed8fc02d7b3041197109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07297",
    "kind": "arxiv",
    "version": 1
  }
}