Pith Number

pith:WFU4BI46

pith:2012:WFU4BI46URHOUMBEI5FQQAPMIA

not attested not anchored not stored refs pending

Some examples of the behaviour of conformal geodesics

Paul Tod

arxiv:1204.6151 v1 · 2012-04-27 · math.DG · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFU4BI46URHOUMBEI5FQQAPMIA}

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	2026-05-18T01:57:43.349518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b169c0a39ea44eea3024474b0801ec403e36fd561560e21f42ee8ba4d53ea66d

Aliases

arxiv: 1204.6151 · arxiv_version: 1204.6151v1 · doi: 10.48550/arxiv.1204.6151 · pith_short_12: WFU4BI46URHO · pith_short_16: WFU4BI46URHOUMBE · pith_short_8: WFU4BI46

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/WFU4BI46URHOUMBEI5FQQAPMIA \
  | 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: b169c0a39ea44eea3024474b0801ec403e36fd561560e21f42ee8ba4d53ea66d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6f669175d551af8fdf4adab44ae960d851ed80223a07ed29abdca3935f93f3c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-27T09:14:15Z",
    "title_canon_sha256": "fc2c49a50fe08b03eadca804d7f642c144bf3c84c01144565f6e1082ee1a6ec1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6151",
    "kind": "arxiv",
    "version": 1
  }
}