Pith Number

pith:PMDERD2C

pith:2018:PMDERD2COLRYDQWKRH5E5L3UGD

not attested not anchored not stored refs pending

Moebius rigidity for compact deformations of negatively curved manifolds

Kingshook Biswas

arxiv:1812.04888 v1 · 2018-12-12 · 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{PMDERD2COLRYDQWKRH5E5L3UGD}

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	2026-05-17T23:58:27.036971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b06488f4272e381c2ca89fa4eaf7430f7a6f4e8bcb57b77aae4ccbf247ce4d2

Aliases

arxiv: 1812.04888 · arxiv_version: 1812.04888v1 · doi: 10.48550/arxiv.1812.04888 · pith_short_12: PMDERD2COLRY · pith_short_16: PMDERD2COLRYDQWK · pith_short_8: PMDERD2C

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/PMDERD2COLRYDQWKRH5E5L3UGD \
  | 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: 7b06488f4272e381c2ca89fa4eaf7430f7a6f4e8bcb57b77aae4ccbf247ce4d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a97fe454c31f71ecd2374e0348ed6d530e84138ecbbd8314c4d5ea6f1a67c5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-12-12T10:46:11Z",
    "title_canon_sha256": "084f649bb0c67bdae27a935d36e2d5e50e2e436e0ee61b7e48672e81fbc968ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04888",
    "kind": "arxiv",
    "version": 1
  }
}