Pith Number

pith:KTBCZ3GQ

pith:2015:KTBCZ3GQRASVKQY3M4WQC36HJE

not attested not anchored not stored refs pending

Twisting Somersault

Holger R. Dullin, William Tong

arxiv:1510.08046 v1 · 2015-10-24 · physics.class-ph · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTBCZ3GQRASVKQY3M4WQC36HJE}

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	2026-05-18T00:24:45.492858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c22cecd0882555431b672d016fc7491ce9a706e77e68a4b3d444845a83ba5d

Aliases

arxiv: 1510.08046 · arxiv_version: 1510.08046v1 · doi: 10.48550/arxiv.1510.08046 · pith_short_12: KTBCZ3GQRASV · pith_short_16: KTBCZ3GQRASVKQY3 · pith_short_8: KTBCZ3GQ

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/KTBCZ3GQRASVKQY3M4WQC36HJE \
  | 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: 54c22cecd0882555431b672d016fc7491ce9a706e77e68a4b3d444845a83ba5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da1583e74e4c8fa158935b2e53d5eab5e0679319dd82e3e55ef466c1a7d9982",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-10-24T00:52:07Z",
    "title_canon_sha256": "acfcc47a9b745100560572149c09be5535ac5b133467a83f822c92a071882720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08046",
    "kind": "arxiv",
    "version": 1
  }
}