Pith Number

pith:LPLGDFV7

pith:2019:LPLGDFV7AN4HXMOO2JPJSGOMCM

not attested not anchored not stored refs pending

Topological Analysis of Syntactic Structures

Alexander Port, Matilde Marcolli, Taelin Karidi

arxiv:1903.05181 v1 · 2019-03-12 · cs.CL · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPLGDFV7AN4HXMOO2JPJSGOMCM}

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	2026-05-17T23:51:25.208164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd66196bf03787bb1ced25e9919cc1333b39005df178872d512089f65541481

Aliases

arxiv: 1903.05181 · arxiv_version: 1903.05181v1 · doi: 10.48550/arxiv.1903.05181 · pith_short_12: LPLGDFV7AN4H · pith_short_16: LPLGDFV7AN4HXMOO · pith_short_8: LPLGDFV7

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/LPLGDFV7AN4HXMOO2JPJSGOMCM \
  | 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: 5bd66196bf03787bb1ced25e9919cc1333b39005df178872d512089f65541481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c78d7de08c01705b443c9d26728d9447067d280bb7832882d1aea815c8e4af",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-12T19:57:34Z",
    "title_canon_sha256": "8a228c768418eec692487b15a673e22a5d3d228a9721f04ce191454fb39b766d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05181",
    "kind": "arxiv",
    "version": 1
  }
}