Pith Number

pith:2XX7C53P

pith:2013:2XX7C53PVZWUJFNC2E7EIMAYSC

not attested not anchored not stored refs pending

Coinductive Big-Step Semantics for Concurrency

Tarmo Uustalu

arxiv:1312.2702 v1 · 2013-12-10 · cs.PL · 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{2XX7C53PVZWUJFNC2E7EIMAYSC}

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	2026-05-18T03:05:09.082367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5eff1776fae6d4495a2d13e443018908ac50a0117530bac2f2d6ce8cd58a2ad

Aliases

arxiv: 1312.2702 · arxiv_version: 1312.2702v1 · doi: 10.48550/arxiv.1312.2702 · pith_short_12: 2XX7C53PVZWU · pith_short_16: 2XX7C53PVZWUJFNC · pith_short_8: 2XX7C53P

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/2XX7C53PVZWUJFNC2E7EIMAYSC \
  | 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: d5eff1776fae6d4495a2d13e443018908ac50a0117530bac2f2d6ce8cd58a2ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16d46c95279661a5a41885a4f8e971b3fd56a889600970bf620a182d9be2d25",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-12-10T08:03:57Z",
    "title_canon_sha256": "e483df0798ae2b212c394cc2c6298b806a49e1930b211f8623c5a27a4aacd809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2702",
    "kind": "arxiv",
    "version": 1
  }
}