Pith Number

pith:DJ5QZUFL

pith:2016:DJ5QZUFL7PD5FSGXCNYTA5LUBC

not attested not anchored not stored refs pending

Equation Parsing: Mapping Sentences to Grounded Equations

Dan Roth, Shyam Upadhyay, Subhro Roy

arxiv:1609.08824 v1 · 2016-09-28 · 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{DJ5QZUFL7PD5FSGXCNYTA5LUBC}

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	2026-05-18T01:03:41.788534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7b0cd0abfbc7d2c8d7137130757408ba0e60d000e57b00e11e7bd2f3d56afd

Aliases

arxiv: 1609.08824 · arxiv_version: 1609.08824v1 · doi: 10.48550/arxiv.1609.08824 · pith_short_12: DJ5QZUFL7PD5 · pith_short_16: DJ5QZUFL7PD5FSGX · pith_short_8: DJ5QZUFL

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/DJ5QZUFL7PD5FSGXCNYTA5LUBC \
  | 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: 1a7b0cd0abfbc7d2c8d7137130757408ba0e60d000e57b00e11e7bd2f3d56afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ab68c08ec2c7ffe5e72b5f76c044859a67f59c8847595016e46a7726639c57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-09-28T08:54:05Z",
    "title_canon_sha256": "ae1d9cacd5548b9860a5b04d2dcead48998ac241863760fefccb4423571cc55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08824",
    "kind": "arxiv",
    "version": 1
  }
}