Pith Number

pith:KH2GFG5H

pith:2013:KH2GFG5HWHYZWENU7TLVPUSYJU

not attested not anchored not stored refs pending

Specifying Robustness

John C. McCabe-Dansted, Mark Reynolds, Sophie Pinchinat, Tim French

arxiv:1309.4416 v1 · 2013-09-14 · 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{KH2GFG5HWHYZWENU7TLVPUSYJU}

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	2026-05-18T03:13:08.766630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51f4629ba7b1f19b11b4fcd757d2584d2115b065aeb72949d6846a5a05c93b2d

Aliases

arxiv: 1309.4416 · arxiv_version: 1309.4416v1 · doi: 10.48550/arxiv.1309.4416 · pith_short_12: KH2GFG5HWHYZ · pith_short_16: KH2GFG5HWHYZWENU · pith_short_8: KH2GFG5H

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/KH2GFG5HWHYZWENU7TLVPUSYJU \
  | 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: 51f4629ba7b1f19b11b4fcd757d2584d2115b065aeb72949d6846a5a05c93b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde842af2b19bdf54bcb6e2a9640d3716db2ac0fd806b9bdbffdcb03e907735c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-09-14T03:39:10Z",
    "title_canon_sha256": "01f3cee2d5b0fbe513819a235c8441a714a3bd26c79207569e0c4f1dc45b1621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4416",
    "kind": "arxiv",
    "version": 1
  }
}