Pith Number

pith:WITEMEXI

pith:2019:WITEMEXI3HVTMZ42RJIGCTHBS3

not attested not anchored not stored refs pending

The Expressiveness of Looping Terms in the Semantic Programming

Denis Ponomaryov, Dmitri Sviridenko, Sergey Goncharov, Sergey Ospichev

arxiv:1912.02731 v2 · 2019-12-05 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WITEMEXI3HVTMZ42RJIGCTHBS3}

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	2026-07-05T00:35:34.490172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2264612e8d9eb36679a8a50614ce196ea58b4310c2e19f28016ceaa5575d77a

Aliases

arxiv: 1912.02731 · arxiv_version: 1912.02731v2 · doi: 10.48550/arxiv.1912.02731 · pith_short_12: WITEMEXI3HVT · pith_short_16: WITEMEXI3HVTMZ42 · pith_short_8: WITEMEXI

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/WITEMEXI3HVTMZ42RJIGCTHBS3 \
  | 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: b2264612e8d9eb36679a8a50614ce196ea58b4310c2e19f28016ceaa5575d77a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb2800349961fc62e4e051a89485382a4dda9a45c0e3df6d946930c20851f77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-12-05T17:10:30Z",
    "title_canon_sha256": "2a3e9c73b7c8f0a91cd7b92ecbaeccb945bb8bba10ff43dca28134f1d81ee7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02731",
    "kind": "arxiv",
    "version": 2
  }
}