Pith Number

pith:GPQYHHCE

pith:2013:GPQYHHCEA4C3TF7F7XUFPCD7GW

not attested not anchored not stored refs pending

Online Checkpointing with Improved Worst-Case Guarantees

Adrian Neumann, Benjamin Doerr, Jakub Sliacan, Karl Bringmann

arxiv:1302.4216 v2 · 2013-02-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPQYHHCEA4C3TF7F7XUFPCD7GW}

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	2026-05-18T03:26:52.185931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e1839c440705b997e5fde857887f35a91700cd146810b22da03d63de1552a6

Aliases

arxiv: 1302.4216 · arxiv_version: 1302.4216v2 · doi: 10.48550/arxiv.1302.4216 · pith_short_12: GPQYHHCEA4C3 · pith_short_16: GPQYHHCEA4C3TF7F · pith_short_8: GPQYHHCE

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/GPQYHHCEA4C3TF7F7XUFPCD7GW \
  | 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: 33e1839c440705b997e5fde857887f35a91700cd146810b22da03d63de1552a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d8719260f3342f4673baf2e2da37abfe633c04081ca29e69c529758c3d75c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-02-18T10:36:08Z",
    "title_canon_sha256": "d24541e48d357e529d44921b047389ac7019786090e9c1955a3de9133b32aee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4216",
    "kind": "arxiv",
    "version": 2
  }
}