Pith Number

pith:BK4UBWMJ

pith:2011:BK4UBWMJWIHO5XA26FXNXMHN44

not attested not anchored not stored refs pending

Procedure to produce discretized path composed by semi-circle and straigth sub-paths

Sparisoma Viridi

arxiv:1201.0258 v1 · 2011-12-31 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BK4UBWMJWIHO5XA26FXNXMHN44}

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	2026-05-18T04:05:25.640203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab940d989b20eeedc1af16edbb0ede7218e8f6bf342cbfdbdba1084088c3632

Aliases

arxiv: 1201.0258 · arxiv_version: 1201.0258v1 · doi: 10.48550/arxiv.1201.0258 · pith_short_12: BK4UBWMJWIHO · pith_short_16: BK4UBWMJWIHO5XA2 · pith_short_8: BK4UBWMJ

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/BK4UBWMJWIHO5XA26FXNXMHN44 \
  | 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: 0ab940d989b20eeedc1af16edbb0ede7218e8f6bf342cbfdbdba1084088c3632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5530dfc924d0780a85e058754437ad48d1402d4bf07ad152b3ea73efd771d6d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2011-12-31T13:32:53Z",
    "title_canon_sha256": "51424cc1d5888437f8cfb58a65e31fe890becf1620331c17bbaa7477c2743711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0258",
    "kind": "arxiv",
    "version": 1
  }
}