Pith Number

pith:OPRR7XP5

pith:2011:OPRR7XP5RIE3QAVNUYMS4RRH75

not attested not anchored not stored refs pending

Axiomatizing GSOS with Predicates

Anna Ingolfsdottir (Reykjavik University, Eugen-Ioan Goriac (Reykjavik University, Georgiana Caltais (Reykjavik University, Iceland), Luca Aceto (Reykjavik University

arxiv:1108.3124 v1 · 2011-08-16 · 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{OPRR7XP5RIE3QAVNUYMS4RRH75}

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	2026-05-18T04:15:27.922422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e31fddfd8a09b802ada6192e4627ff7caa5b1b1ae8fee142aefd8f531be139

Aliases

arxiv: 1108.3124 · arxiv_version: 1108.3124v1 · doi: 10.48550/arxiv.1108.3124 · pith_short_12: OPRR7XP5RIE3 · pith_short_16: OPRR7XP5RIE3QAVN · pith_short_8: OPRR7XP5

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/OPRR7XP5RIE3QAVNUYMS4RRH75 \
  | 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: 73e31fddfd8a09b802ada6192e4627ff7caa5b1b1ae8fee142aefd8f531be139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e7dcdc7d66403d69ed2c00d311d9c82bd7fcea8fab983cbf31f9651c3533553",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-08-16T00:23:36Z",
    "title_canon_sha256": "a0f443a09f5530f81991462b25de5f40e5f306794e92a89833884acee8ac2d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3124",
    "kind": "arxiv",
    "version": 1
  }
}