Pith Number

pith:YBV7KHIM

pith:2017:YBV7KHIM4Q6K6DZR7CUP3W5YRP

not attested not anchored not stored refs pending

Similarity between two projections

Albrecht Boettcher, Barry Simon, Ilya Spitkovsky

arxiv:1705.08937 v2 · 2017-05-24 · 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{YBV7KHIM4Q6K6DZR7CUP3W5YRP}

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	2026-05-18T00:31:35.934419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06bf51d0ce43caf0f31f8a8fddbb88be246e6b40aff8af2f34d294e35d1cbce

Aliases

arxiv: 1705.08937 · arxiv_version: 1705.08937v2 · doi: 10.48550/arxiv.1705.08937 · pith_short_12: YBV7KHIM4Q6K · pith_short_16: YBV7KHIM4Q6K6DZR · pith_short_8: YBV7KHIM

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/YBV7KHIM4Q6K6DZR7CUP3W5YRP \
  | 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: c06bf51d0ce43caf0f31f8a8fddbb88be246e6b40aff8af2f34d294e35d1cbce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9629ab69bd936b0bb77e12246e79149ff7c88d198b834fdda5482a5fc665f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-05-24T19:24:10Z",
    "title_canon_sha256": "2f7efc3765905941d2e7213bdabb613074cee18d30cc6883c12e5b4d6e8ed9a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08937",
    "kind": "arxiv",
    "version": 2
  }
}