pith. sign in
Pith Number

pith:BY6VVZW7

pith:2015:BY6VVZW75O7DTZL7JFGTXNER4Y
not attested not anchored not stored refs pending

Some remarks on polar actions

Andreas Kollross, Claudio Gorodski

arxiv:1505.02852 v1 · 2015-05-12 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BY6VVZW75O7DTZL7JFGTXNER4Y}

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 2026-05-18T00:48:43.293434Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0e3d5ae6dfebbe39e57f494d3bb491e601e59dc78b93c4dd08056fdbe080218b

Aliases

arxiv: 1505.02852 · arxiv_version: 1505.02852v1 · doi: 10.48550/arxiv.1505.02852 · pith_short_12: BY6VVZW75O7D · pith_short_16: BY6VVZW75O7DTZL7 · pith_short_8: BY6VVZW7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BY6VVZW75O7DTZL7JFGTXNER4Y \
  | 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: 0e3d5ae6dfebbe39e57f494d3bb491e601e59dc78b93c4dd08056fdbe080218b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a513c8bcac0b759aed8c71176a5d32c6ed02fc91c152557fb3931d9dd203d969",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-12T01:53:29Z",
    "title_canon_sha256": "05e2fd9214d26b363fe3d93f175d9518bd66d11be60fbd3452b499801d226f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02852",
    "kind": "arxiv",
    "version": 1
  }
}