Pith Number

pith:IXFWRJF2

pith:2018:IXFWRJF2GSDBIV2TP5PN5VQLXA

not attested not anchored not stored refs pending

Calculated attributes of synonym sets

Alexander Kirillov, Andrew Krizhanovsky

arxiv:1803.01580 v1 · 2018-03-05 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXFWRJF2GSDBIV2TP5PN5VQLXA}

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	2026-05-18T00:22:00.182541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45cb68a4ba34861457537f5eded60bb80bc1743b7cb49b3c8cbc58db2905342d

Aliases

arxiv: 1803.01580 · arxiv_version: 1803.01580v1 · doi: 10.48550/arxiv.1803.01580 · pith_short_12: IXFWRJF2GSDB · pith_short_16: IXFWRJF2GSDBIV2T · pith_short_8: IXFWRJF2

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/IXFWRJF2GSDBIV2TP5PN5VQLXA \
  | 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: 45cb68a4ba34861457537f5eded60bb80bc1743b7cb49b3c8cbc58db2905342d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6ff6ea8fdf728493d733e9704863fb6cc982656674b954c9f58d707ae945f7",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-05T10:09:32Z",
    "title_canon_sha256": "7d9dd7be036ca2ba42a5323c4c8557e5e47936a44e14a65b5d87d7659ccd6fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01580",
    "kind": "arxiv",
    "version": 1
  }
}