Pith Number

pith:FBBP2ZQQ

pith:2017:FBBP2ZQQV7LRMIZOBHAYJN3CFI

not attested not anchored not stored refs pending

A theoretical guarantee for data completion via geometric separation

Emily J. King, James M. Murphy

arxiv:1705.10745 v1 · 2017-05-30 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBBP2ZQQV7LRMIZOBHAYJN3CFI}

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	2026-05-18T00:43:23.625737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2842fd6610afd716232e09c184b7622a2534e2271b255be5273cdbf71f8240b1

Aliases

arxiv: 1705.10745 · arxiv_version: 1705.10745v1 · doi: 10.48550/arxiv.1705.10745 · pith_short_12: FBBP2ZQQV7LR · pith_short_16: FBBP2ZQQV7LRMIZO · pith_short_8: FBBP2ZQQ

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/FBBP2ZQQV7LRMIZOBHAYJN3CFI \
  | 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: 2842fd6610afd716232e09c184b7622a2534e2271b255be5273cdbf71f8240b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b817f2b9a35f1b4e9338d30dc6fe79ca6646e4c9639a0db5b4d025c69e85a2df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-05-30T16:55:07Z",
    "title_canon_sha256": "871a1ab95937d27eed862a4ce6ff6c7a4b4e13dfd56a92d623f984c9b2593d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10745",
    "kind": "arxiv",
    "version": 1
  }
}