Pith Number

pith:DSAUU4GS

pith:2019:DSAUU4GSBI2QMRHLWPHNZVBCFT

not attested not anchored not stored refs pending

Ab Antiquo: Neural Proto-language Reconstruction

Carlo Meloni, Shauli Ravfogel, Yoav Goldberg

arxiv:1908.02477 v3 · 2019-08-07 · 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{DSAUU4GSBI2QMRHLWPHNZVBCFT}

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	2026-07-05T02:38:27.422833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c814a70d20a350644ebb3cedcd4222cf5bb02fae71bc7e970d0b66157107cde

Aliases

arxiv: 1908.02477 · arxiv_version: 1908.02477v3 · doi: 10.48550/arxiv.1908.02477 · pith_short_12: DSAUU4GSBI2Q · pith_short_16: DSAUU4GSBI2QMRHL · pith_short_8: DSAUU4GS

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/DSAUU4GSBI2QMRHLWPHNZVBCFT \
  | 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: 1c814a70d20a350644ebb3cedcd4222cf5bb02fae71bc7e970d0b66157107cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242a563575d6e1be2c2b10bd4a237b83217a7da42ba5379c63d40d4916294821",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-07T08:03:08Z",
    "title_canon_sha256": "37b096af4a76cd17193b894310bfba9dbc6608a7d901d52b9eab4e7845306727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02477",
    "kind": "arxiv",
    "version": 3
  }
}