Pith Number

pith:P2KE7DSV

pith:2014:P2KE7DSV3QXGQFZKLVDRUFBJST

not attested not anchored not stored refs pending

On the set of periods of sigma maps of degree 1

Llu\'is Alsed\`a, Sylvie Ruette

arxiv:1407.1419 v2 · 2014-07-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2KE7DSV3QXGQFZKLVDRUFBJST}

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	2026-05-18T02:28:31.535142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e944f8e55dc2e68172a5d471a142994c05cc952fdfe0691c6d1c9637d94bc72

Aliases

arxiv: 1407.1419 · arxiv_version: 1407.1419v2 · doi: 10.48550/arxiv.1407.1419 · pith_short_12: P2KE7DSV3QXG · pith_short_16: P2KE7DSV3QXGQFZK · pith_short_8: P2KE7DSV

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/P2KE7DSV3QXGQFZKLVDRUFBJST \
  | 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: 7e944f8e55dc2e68172a5d471a142994c05cc952fdfe0691c6d1c9637d94bc72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9349b4b5230e2611c3d9cc6d3cc484d396466d6f20bd104625c9a9d464852c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-05T16:47:44Z",
    "title_canon_sha256": "18a6382e9ff49a258451db11b55ade4d5512e5ac98001c09f441c13fb58874a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1419",
    "kind": "arxiv",
    "version": 2
  }
}