Pith Number

pith:OP24V6V2

pith:2020:OP24V6V2WVQZ6KN7P2Z5F4NHCQ

not attested not anchored not stored refs pending

Community aware group testing

Christina Fragouli, Pavlos Nikolopoulos, Suhas Diggavi, Sundara Rajan Srinivasavaradhan, Tao Guo

arxiv:2007.08111 v5 · 2020-07-16 · cs.IT · math.IT · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OP24V6V2WVQZ6KN7P2Z5F4NHCQ}

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	2026-07-05T02:23:57.647011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f5cafabab5619f29bf7eb3d2f1a7141770ab9cb4b9af6aaafd348d66ce33eb

Aliases

arxiv: 2007.08111 · arxiv_version: 2007.08111v5 · doi: 10.48550/arxiv.2007.08111 · pith_short_12: OP24V6V2WVQZ · pith_short_16: OP24V6V2WVQZ6KN7 · pith_short_8: OP24V6V2

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/OP24V6V2WVQZ6KN7P2Z5F4NHCQ \
  | 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: 73f5cafabab5619f29bf7eb3d2f1a7141770ab9cb4b9af6aaafd348d66ce33eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1833af22d32e309140598aae1a0f39d77c0ae629555aa50f1ba582b2bf6800",
    "cross_cats_sorted": [
      "math.IT",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-07-16T04:53:42Z",
    "title_canon_sha256": "452abb07eeaca73f433174371608b6a680dce0b290b5f9f7a17da2d353ef9e23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08111",
    "kind": "arxiv",
    "version": 5
  }
}