Pith Number

pith:HSAMXSPS

pith:2018:HSAMXSPS774ZGDRGO4NULWPZNN

not attested not anchored not stored refs pending

Non-existence of certain type of convex functions on a Riemannian manifold with a pole

Absos Ali Shaikh, Chandan Kumar Mondal, Izhar Ahmad

arxiv:1806.07234 v1 · 2018-06-19 · 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{HSAMXSPS774ZGDRGO4NULWPZNN}

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	2026-05-17T23:41:25.092399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c80cbc9f2fff9930e26771b45d9f96b7933d48c57e6d9dd26be8248350e2d64

Aliases

arxiv: 1806.07234 · arxiv_version: 1806.07234v1 · doi: 10.48550/arxiv.1806.07234 · pith_short_12: HSAMXSPS774Z · pith_short_16: HSAMXSPS774ZGDRG · pith_short_8: HSAMXSPS

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/HSAMXSPS774ZGDRGO4NULWPZNN \
  | 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: 3c80cbc9f2fff9930e26771b45d9f96b7933d48c57e6d9dd26be8248350e2d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9671c4109d87da4c500282d2ccb2885f5c2499ba79e6dc1491adde4235a401a9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-19T13:50:37Z",
    "title_canon_sha256": "041e5fbba1338b0f74efe4b224729571f06a3c6b3ad87f19b986dc20176baa5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07234",
    "kind": "arxiv",
    "version": 1
  }
}