Pith Number

pith:4NNZ3WK2

pith:2017:4NNZ3WK2IIYOW2WXLJ6EN3J2PC

not attested not anchored not stored refs pending

C-SHORe: Higher-Order Verification via Collapsible Pushdown System Saturation

Arnaud Carayol, Christopher Broadbent, Matthew Hague, Olivier Serre

arxiv:1703.04429 v2 · 2017-03-13 · 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{4NNZ3WK2IIYOW2WXLJ6EN3J2PC}

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	2026-05-18T00:05:39.832829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35b9dd95a4230eb6ad75a7c46ed3a7886007fad70d44fea8208e4ac54f81a6b

Aliases

arxiv: 1703.04429 · arxiv_version: 1703.04429v2 · doi: 10.48550/arxiv.1703.04429 · pith_short_12: 4NNZ3WK2IIYO · pith_short_16: 4NNZ3WK2IIYOW2WX · pith_short_8: 4NNZ3WK2

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/4NNZ3WK2IIYOW2WXLJ6EN3J2PC \
  | 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: e35b9dd95a4230eb6ad75a7c46ed3a7886007fad70d44fea8208e4ac54f81a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4447b3d7360b27b775300cc967985be7c0cea6ba7a1bca2d3726fcfa5d0294a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-03-13T14:55:55Z",
    "title_canon_sha256": "ec7957c7f91170c76c5bd7a5050cd9be28d3f49fa1c03ac6f2dedf9433ad83e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04429",
    "kind": "arxiv",
    "version": 2
  }
}