Pith Number

pith:G5AXXH4E

pith:2017:G5AXXH4EOJICSQYWDVO6MMHETL

not attested not anchored not stored refs pending

Certified Computation from Unreliable Datasets

Christos Tzamos, Manolis Zampetakis, Themis Gouleakis

arxiv:1709.03926 v2 · 2017-09-12 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5AXXH4EOJICSQYWDVO6MMHETL}

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	2026-05-18T00:13:21.891357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37417b9f8472502943161d5de630e49ae4f6e8eff17b8dc1b75f7c390d3cd25c

Aliases

arxiv: 1709.03926 · arxiv_version: 1709.03926v2 · doi: 10.48550/arxiv.1709.03926 · pith_short_12: G5AXXH4EOJIC · pith_short_16: G5AXXH4EOJICSQYW · pith_short_8: G5AXXH4E

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/G5AXXH4EOJICSQYWDVO6MMHETL \
  | 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: 37417b9f8472502943161d5de630e49ae4f6e8eff17b8dc1b75f7c390d3cd25c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f6c32c4cef868827b71418a484907338542da2b80ecc427f5db5b39e1d580d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-09-12T16:00:27Z",
    "title_canon_sha256": "42d693cb244d6683150e9ec30c225923b0b13ecda7716bb7288e6013e9a3d4e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03926",
    "kind": "arxiv",
    "version": 2
  }
}