Pith Number

pith:JDTYE7IN

pith:2015:JDTYE7IN7SWOPA6EAV4DMVYEXN

not attested not anchored not stored refs pending

Evaluation trees for proposition algebra

Alban Ponse, Jan A. Bergstra

arxiv:1504.08321 v3 · 2015-04-30 · 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{JDTYE7IN7SWOPA6EAV4DMVYEXN}

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.

Cited by

1 paper in Pith

Fully Evaluated Left-Sequential Logics

Receipt and verification

First computed	2026-05-18T00:36:41.686935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48e7827d0dfcace783c40578365704bb4255bc6a7ce541561b19107c5b0382b1

Aliases

arxiv: 1504.08321 · arxiv_version: 1504.08321v3 · doi: 10.48550/arxiv.1504.08321 · pith_short_12: JDTYE7IN7SWO · pith_short_16: JDTYE7IN7SWOPA6E · pith_short_8: JDTYE7IN

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/JDTYE7IN7SWOPA6EAV4DMVYEXN \
  | 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: 48e7827d0dfcace783c40578365704bb4255bc6a7ce541561b19107c5b0382b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7faaf240f72fddc089b5da68cc5f4fa6a640adddaf2903180104786daf5722ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-04-30T18:03:35Z",
    "title_canon_sha256": "3ac49eda2f16a91206b83408172454d479f3c47551dc804b1971b866367e18e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08321",
    "kind": "arxiv",
    "version": 3
  }
}