Pith Number

pith:XQMAFH2M

pith:2016:XQMAFH2MTTZ5DGOPZZRDKFVFJW

not attested not anchored not stored refs pending

Anchoring and Agreement in Syntactic Annotations

Andrei Barbu, Anna Korhonen, Boris Katz, Yan Huang, Yevgeni Berzak

arxiv:1605.04481 v3 · 2016-05-15 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQMAFH2MTTZ5DGOPZZRDKFVFJW}

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	2026-05-18T01:04:05.520727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc18029f4c9cf3d199cfce623516a54d962459b494f3bf49d4d7b3fce2528e52

Aliases

arxiv: 1605.04481 · arxiv_version: 1605.04481v3 · doi: 10.48550/arxiv.1605.04481 · pith_short_12: XQMAFH2MTTZ5 · pith_short_16: XQMAFH2MTTZ5DGOP · pith_short_8: XQMAFH2M

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/XQMAFH2MTTZ5DGOPZZRDKFVFJW \
  | 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: bc18029f4c9cf3d199cfce623516a54d962459b494f3bf49d4d7b3fce2528e52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "149ba6e7d53f85bba1994919b0a772f7ef2a129106e28be96668f5e9cf8e2b1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-15T00:26:26Z",
    "title_canon_sha256": "3de74b4a832fa4e12037657c3b9d30728e70ba312cade3603166f45f8e468e9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04481",
    "kind": "arxiv",
    "version": 3
  }
}