Pith Number

pith:V7SLPGRL

pith:2021:V7SLPGRLB53J3FD7GKH7SVVZWD

not attested not anchored not stored refs pending

Dynamic Semantic Graph Construction and Reasoning for Explainable Multi-hop Science Question Answering

Deng Cai, Huihui Zhang, Wai Lam, Weiwen Xu

arxiv:2105.11776 v1 · 2021-05-25 · 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{V7SLPGRLB53J3FD7GKH7SVVZWD}

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	2026-07-05T02:42:56.396689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe4b79a2b0f769d947f328ff956b9b0e3a1cb2ff32359591812db2aac3daa01

Aliases

arxiv: 2105.11776 · arxiv_version: 2105.11776v1 · doi: 10.48550/arxiv.2105.11776 · pith_short_12: V7SLPGRLB53J · pith_short_16: V7SLPGRLB53J3FD7 · pith_short_8: V7SLPGRL

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/V7SLPGRLB53J3FD7GKH7SVVZWD \
  | 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: afe4b79a2b0f769d947f328ff956b9b0e3a1cb2ff32359591812db2aac3daa01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09313bcfd775cb46295da03b3b8c202795a0a150d054c6420599d10128e1c4d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-25T09:14:55Z",
    "title_canon_sha256": "a10fe63a2564bccb84483d226712e8b4fb3fd0d2e9291a23fdff00100c30b9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11776",
    "kind": "arxiv",
    "version": 1
  }
}