Pith Number

pith:CWXAP7D5

pith:2015:CWXAP7D57465NWBINIV4TBFXG5

not attested not anchored not stored refs pending

Communicating Semantics: Reference by Description

Ramanathan V Guha, Vineet Gupta

arxiv:1511.06341 v4 · 2015-11-19 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWXAP7D57465NWBINIV4TBFXG5}

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	2026-05-18T00:31:52.226358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15ae07fc7dff3dd6d8286a2bc984b7377bca315635447c0522df9e72c07377bc

Aliases

arxiv: 1511.06341 · arxiv_version: 1511.06341v4 · doi: 10.48550/arxiv.1511.06341 · pith_short_12: CWXAP7D57465 · pith_short_16: CWXAP7D57465NWBI · pith_short_8: CWXAP7D5

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/CWXAP7D57465NWBINIV4TBFXG5 \
  | 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: 15ae07fc7dff3dd6d8286a2bc984b7377bca315635447c0522df9e72c07377bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9548c7f0e56b7400b3abec19f19f87776eb7103ef18934b0bb23de318ac67a17",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-11-19T20:14:43Z",
    "title_canon_sha256": "b1e54474a4b3d7735f76f263b04d0581417e6d3cbaee78192a13e689b1b15eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06341",
    "kind": "arxiv",
    "version": 4
  }
}