Pith Number

pith:QITSPUGH

pith:2011:QITSPUGHPUNLOCDGSHVNHUCWZZ

not attested not anchored not stored refs pending

Geometry of curves in parabolic homogeneous spaces

Boris Doubrov, Igor zelenko

arxiv:1110.0226 v2 · 2011-10-02 · 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{QITSPUGHPUNLOCDGSHVNHUCWZZ}

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	2026-05-18T03:19:35.524730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822727d0c77d1ab7086691ead3d056ce58e7ecf16f9ff63c4a77e2c2e5d2be84

Aliases

arxiv: 1110.0226 · arxiv_version: 1110.0226v2 · doi: 10.48550/arxiv.1110.0226 · pith_short_12: QITSPUGHPUNL · pith_short_16: QITSPUGHPUNLOCDG · pith_short_8: QITSPUGH

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/QITSPUGHPUNLOCDGSHVNHUCWZZ \
  | 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: 822727d0c77d1ab7086691ead3d056ce58e7ecf16f9ff63c4a77e2c2e5d2be84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caa0b67dcfe2c52cf67d31c02f3f7ffd81f1f07f6dbd7d2c8fb359489fa8f9b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-02T20:25:55Z",
    "title_canon_sha256": "ca1a7b2b1b6be2c4a241c350a626ba90ec5687d4fe2006ee5d56077830e5ea0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0226",
    "kind": "arxiv",
    "version": 2
  }
}