Pith Number

pith:4ORVO2CD

pith:2013:4ORVO2CDSGI4L3CFNMREGP4CWD

not attested not anchored not stored refs pending

Replication-based Inference Algorithms for Hard Computational Problems

David Saad, Juan P. Neirotti, Roberto C. Alamino

arxiv:1305.2754 v1 · 2013-05-13 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ORVO2CDSGI4L3CFNMREGP4CWD}

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	2026-05-18T01:50:02.902642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a35768439191c5ec456b22433f82b0dc065986dd8851e794e2cd87ad824722

Aliases

arxiv: 1305.2754 · arxiv_version: 1305.2754v1 · doi: 10.48550/arxiv.1305.2754 · pith_short_12: 4ORVO2CDSGI4 · pith_short_16: 4ORVO2CDSGI4L3CF · pith_short_8: 4ORVO2CD

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/4ORVO2CDSGI4L3CFNMREGP4CWD \
  | 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: e3a35768439191c5ec456b22433f82b0dc065986dd8851e794e2cd87ad824722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbbd2d98ea2db33b9ab4e230ea0452d376002e732473e92b1808d79461a03a72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2013-05-13T12:28:31Z",
    "title_canon_sha256": "d295451e1b6766a64c5f5517e9387170fec8c1e59a3cb796ecb729c98d590d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2754",
    "kind": "arxiv",
    "version": 1
  }
}