Pith Number

pith:QCTVKU55

pith:2016:QCTVKU55YTSVGGAS3TPOEWYXGY

not attested not anchored not stored refs pending

Notes on relative normalizations of ruled surfaces in the three-dimensional Euclidean space

Ioanna-Iris Papadopoulou, Stylianos Stamatakis

arxiv:1701.00514 v1 · 2016-12-19 · 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{QCTVKU55YTSVGGAS3TPOEWYXGY}

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	2026-05-18T00:53:29.074746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a75553bdc4e5531812dcdee25b1736347f68e9800a5bc3f6849d3fd0900722

Aliases

arxiv: 1701.00514 · arxiv_version: 1701.00514v1 · doi: 10.48550/arxiv.1701.00514 · pith_short_12: QCTVKU55YTSV · pith_short_16: QCTVKU55YTSVGGAS · pith_short_8: QCTVKU55

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/QCTVKU55YTSVGGAS3TPOEWYXGY \
  | 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: 80a75553bdc4e5531812dcdee25b1736347f68e9800a5bc3f6849d3fd0900722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd84ab3e08d55b3a439956a4074da39793c4405198cfade678193f6c88b91a54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-12-19T18:04:24Z",
    "title_canon_sha256": "80cd2554cf84cf97b6bd24c953e616401d22e8e0d8ba3c552d7fb6141588565a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00514",
    "kind": "arxiv",
    "version": 1
  }
}