Pith Number

pith:FANT45XA

pith:2012:FANT45XALO2YV2TJEYZQD4ZIII

not attested not anchored not stored refs pending

Is a curved flight path in SAR better than a straight one?

Gunther Uhlmann, Plamen Stefanov

arxiv:1205.0861 v1 · 2012-05-04 · math.AP · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FANT45XALO2YV2TJEYZQD4ZIII}

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	2026-05-18T03:56:23.741644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281b3e76e05bb58aea69263301f328423db2cd1e512704c58ecd3cd133b3ddac

Aliases

arxiv: 1205.0861 · arxiv_version: 1205.0861v1 · doi: 10.48550/arxiv.1205.0861 · pith_short_12: FANT45XALO2Y · pith_short_16: FANT45XALO2YV2TJ · pith_short_8: FANT45XA

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/FANT45XALO2YV2TJEYZQD4ZIII \
  | 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: 281b3e76e05bb58aea69263301f328423db2cd1e512704c58ecd3cd133b3ddac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40959a41c2aea79d1d22f0926d5f29bc0fc07d6e3c47951aafe890e5d0087dbf",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-04T04:38:36Z",
    "title_canon_sha256": "b17fb838a4c0d5809bb7813a128b02dd19eef7bfbcdb7f1f9b5d4e3e2dd50d63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0861",
    "kind": "arxiv",
    "version": 1
  }
}