Pith Number

pith:2WQC77ST

pith:2018:2WQC77ST6WHJO7NRYNEEYZ4KQ4

not attested not anchored not stored refs pending

Canonical bundles of moving frames for parametrized curves in Lagrangian Grassmannians: algebraic approach

Igor zelenko

arxiv:1812.10501 v1 · 2018-12-26 · 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{2WQC77ST6WHJO7NRYNEEYZ4KQ4}

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	2026-05-17T23:57:20.928162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a02ffe53f58e977db1c3484c678a87279cb006efbb6f8110406c7f44a5c3b3

Aliases

arxiv: 1812.10501 · arxiv_version: 1812.10501v1 · doi: 10.48550/arxiv.1812.10501 · pith_short_12: 2WQC77ST6WHJ · pith_short_16: 2WQC77ST6WHJO7NR · pith_short_8: 2WQC77ST

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/2WQC77ST6WHJO7NRYNEEYZ4KQ4 \
  | 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: d5a02ffe53f58e977db1c3484c678a87279cb006efbb6f8110406c7f44a5c3b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8492ba23e072cd3d1e5dddf9d3def2d16b78f4086ddcee4af2ea77274b350cfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-12-26T19:01:34Z",
    "title_canon_sha256": "43fa17d79822797823c2c408c86266ee5ccb70a3ccc89d19fd92d5a386c04e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10501",
    "kind": "arxiv",
    "version": 1
  }
}