Pith Number

pith:QMOMHYU6

pith:2019:QMOMHYU66CBKMQV5KQFFENOKQ7

not attested not anchored not stored refs pending

A General Framework for Information Extraction using Dynamic Span Graphs

Amy Shah, Dave Wadden, Hannaneh Hajishirzi, Luheng He, Mari Ostendorf, Yi Luan

arxiv:1904.03296 v1 · 2019-04-05 · 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{QMOMHYU66CBKMQV5KQFFENOKQ7}

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	2026-05-17T23:49:13.927516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831cc3e29ef082a642bd540a5235ca87cb86a55a0707ceafd9e35c3d1ff2b2a4

Aliases

arxiv: 1904.03296 · arxiv_version: 1904.03296v1 · doi: 10.48550/arxiv.1904.03296 · pith_short_12: QMOMHYU66CBK · pith_short_16: QMOMHYU66CBKMQV5 · pith_short_8: QMOMHYU6

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/QMOMHYU66CBKMQV5KQFFENOKQ7 \
  | 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: 831cc3e29ef082a642bd540a5235ca87cb86a55a0707ceafd9e35c3d1ff2b2a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c88aaefc497cd4c6a96bc41957c1fe29592cb5832f3b4562d774599cff67d12c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-05T21:52:18Z",
    "title_canon_sha256": "d01927ec7386b2d7ee29ba961d48a9511caf5f590713badf7cd8fbd28c2d0ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03296",
    "kind": "arxiv",
    "version": 1
  }
}