Pith Number

pith:QMRAAQE2

pith:2015:QMRAAQE26FV4G5UNVYLGLQHQCC

not attested not anchored not stored refs pending

The geometry of a Randers rotational surface

Pakkinee Chitsakul, Rattanasak Hama, Sorin V. Sabau

arxiv:1502.00349 v6 · 2015-02-02 · 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{QMRAAQE26FV4G5UNVYLGLQHQCC}

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	2026-05-18T01:27:46.344864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832200409af16bc3768dae1665c0f0109fe6dd1f1aabe8f6eb0e8855f11eb957

Aliases

arxiv: 1502.00349 · arxiv_version: 1502.00349v6 · doi: 10.48550/arxiv.1502.00349 · pith_short_12: QMRAAQE26FV4 · pith_short_16: QMRAAQE26FV4G5UN · pith_short_8: QMRAAQE2

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/QMRAAQE26FV4G5UNVYLGLQHQCC \
  | 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: 832200409af16bc3768dae1665c0f0109fe6dd1f1aabe8f6eb0e8855f11eb957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb57bc7a114a31b8fedda85e89efe51dbf2b7b9534f60644ca0b5a8290f59cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-02T03:52:00Z",
    "title_canon_sha256": "8647efd0dfadab2e4f7a729649fcd48e24a46f8970d6a4d3a7dcb0908ee4a776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00349",
    "kind": "arxiv",
    "version": 6
  }
}