Pith Number

pith:QZROZ7DD

pith:2017:QZROZ7DD4OOPH3ECR42V3BSO7A

not attested not anchored not stored refs pending

Embeddings of non-positively curved compact surfaces in flat Lorentzian manifolds

Dmitriy Slutskiy, Fran\c{c}ois Fillastre

arxiv:1703.07253 v2 · 2017-03-21 · 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{QZROZ7DD4OOPH3ECR42V3BSO7A}

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	2026-05-18T00:23:23.359047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8662ecfc63e39cf3ec828f355d864ef81e10ae31d7ce7fb5dfeb2f118e6e499e

Aliases

arxiv: 1703.07253 · arxiv_version: 1703.07253v2 · doi: 10.48550/arxiv.1703.07253 · pith_short_12: QZROZ7DD4OOP · pith_short_16: QZROZ7DD4OOPH3EC · pith_short_8: QZROZ7DD

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/QZROZ7DD4OOPH3ECR42V3BSO7A \
  | 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: 8662ecfc63e39cf3ec828f355d864ef81e10ae31d7ce7fb5dfeb2f118e6e499e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e786611d9a467cdb941a0830682a9a098a43372d36731e6c03cdc706ea649b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-21T14:58:14Z",
    "title_canon_sha256": "93792f3177671497555b9f1332fe89ad059fad456ee095581bfcf3593ab28985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07253",
    "kind": "arxiv",
    "version": 2
  }
}