Pith Number

pith:5DSNJPTH

pith:2021:5DSNJPTHPBOS6UBI4ZBY5OBIEA

not attested not anchored not stored refs pending

An analysis of document graph construction methods for AMR summarization

Chris Kedzie, Fei-Tzin Lee, Kathleen McKeown, Nakul Verma

arxiv:2111.13993 v1 · 2021-11-27 · 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{5DSNJPTHPBOS6UBI4ZBY5OBIEA}

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	2026-07-05T03:35:37.984161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e4d4be67785d2f5028e6438eb8282011540c66ec1bd73c39293909d5f51e2f

Aliases

arxiv: 2111.13993 · arxiv_version: 2111.13993v1 · doi: 10.48550/arxiv.2111.13993 · pith_short_12: 5DSNJPTHPBOS · pith_short_16: 5DSNJPTHPBOS6UBI · pith_short_8: 5DSNJPTH

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/5DSNJPTHPBOS6UBI4ZBY5OBIEA \
  | 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: e8e4d4be67785d2f5028e6438eb8282011540c66ec1bd73c39293909d5f51e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0fcc19f1161cc2978d8c305f958b5e8c81a7fcb31baaa8415df16f9f3be448e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-11-27T22:12:50Z",
    "title_canon_sha256": "cde2a78e75b8f7d8ad7c9eee9df0a289be87a85ecf4c9933b8ff05f339e79d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13993",
    "kind": "arxiv",
    "version": 1
  }
}