Pith Number

pith:U5FTGQNY

pith:2022:U5FTGQNYUBZ6ZEXGTKCRIQLJYR

not attested not anchored not stored refs pending

A Criterion for Decoding on the BSC

Anup Rao, Oscar Sprumont

arxiv:2202.00240 v6 · 2022-02-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5FTGQNYUBZ6ZEXGTKCRIQLJYR}

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	2026-07-05T10:19:53.941974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a74b3341b8a073ec92e69a85144169c46af54c60c6b29621afd5a98244f559bf

Aliases

arxiv: 2202.00240 · arxiv_version: 2202.00240v6 · doi: 10.48550/arxiv.2202.00240 · pith_short_12: U5FTGQNYUBZ6 · pith_short_16: U5FTGQNYUBZ6ZEXG · pith_short_8: U5FTGQNY

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/U5FTGQNYUBZ6ZEXGTKCRIQLJYR \
  | 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: a74b3341b8a073ec92e69a85144169c46af54c60c6b29621afd5a98244f559bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbadad8a201a5d8f8b199da4083402ce8655dae904af24f40fdd6c74bd75e0ad",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-02-01T06:38:43Z",
    "title_canon_sha256": "d6fbdb36fd6692ac33c7352aced3e07338b0692795b0129bc312289185782978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00240",
    "kind": "arxiv",
    "version": 6
  }
}