Pith Number

pith:5INA4SET

pith:2021:5INA4SETVAB5ERU3APDJQQSD6A

not attested not anchored not stored refs pending

We went to look for meaning and all we got were these lousy representations: aspects of meaning representation for computational semantics

Adam Ek, Bill Noble, Nikolai Ilinykh, Robin Cooper, Simon Dobnik, Staffan Larsson, Vidya Somashekarappa, Vladislav Maraev

arxiv:2109.04949 v1 · 2021-09-10 · 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{5INA4SETVAB5ERU3APDJQQSD6A}

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	2026-07-05T03:13:11.883147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1a0e4893a803d2469b03c6984243f009b2b1d0fa4419017f8316f803d62a9a

Aliases

arxiv: 2109.04949 · arxiv_version: 2109.04949v1 · doi: 10.48550/arxiv.2109.04949 · pith_short_12: 5INA4SETVAB5 · pith_short_16: 5INA4SETVAB5ERU3 · pith_short_8: 5INA4SET

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/5INA4SETVAB5ERU3APDJQQSD6A \
  | 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: ea1a0e4893a803d2469b03c6984243f009b2b1d0fa4419017f8316f803d62a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7739fb4f2d62369514c0c5b92314521d46e6d65af4e812417e060a17519df9b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-10T15:51:38Z",
    "title_canon_sha256": "b8b7eddc79c54d5c22766e5fdf1b0e738ece3ed162a56c27dc9b529107bd69cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04949",
    "kind": "arxiv",
    "version": 1
  }
}