Pith Number

pith:A3WD4QZP

pith:2011:A3WD4QZPFD24NUJKGBZU4S5M6Y

not attested not anchored not stored refs pending

Conformal pure radiation with parallel rays

Pawel Nurowski, Thomas Leistner

arxiv:1107.1675 v2 · 2011-07-08 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3WD4QZPFD24NUJKGBZU4S5M6Y}

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	2026-05-18T02:01:21.218408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ec3e432f28f5c6d12a30734e4bacf6272f71e1ea1aa5dc0cffceec7df47d36

Aliases

arxiv: 1107.1675 · arxiv_version: 1107.1675v2 · doi: 10.48550/arxiv.1107.1675 · pith_short_12: A3WD4QZPFD24 · pith_short_16: A3WD4QZPFD24NUJK · pith_short_8: A3WD4QZP

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/A3WD4QZPFD24NUJKGBZU4S5M6Y \
  | 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: 06ec3e432f28f5c6d12a30734e4bacf6272f71e1ea1aa5dc0cffceec7df47d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d44b34fb919aa1d385ad7c30ab599ddfe1e665bd953da32d1a9f22dfac7a95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-08T16:47:12Z",
    "title_canon_sha256": "9e88526e87ef2d2839f988a5f93a6b86d51fec520ae088c327212504d289d2b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1675",
    "kind": "arxiv",
    "version": 2
  }
}