Pith Number

pith:4HJAYIBS

pith:2011:4HJAYIBS6BBBFVCGQBE2CTTQ7D

not attested not anchored not stored refs pending

Surface Area and Curvature of the general Ellipsoid

Daniel Poelaert, Frank Janssens, Joachim Schniewind

arxiv:1104.5145 v1 · 2011-04-27 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HJAYIBS6BBBFVCGQBE2CTTQ7D}

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.

Cited by

2 papers in Pith

Understanding the volume-diffusion governed shape-instabilities in metallic systems

Cuspidal Singularities in Collapsing Domain Walls

Receipt and verification

First computed	2026-05-18T04:23:22.533466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d20c2032f04212d4468049a14e70f8fffb0fbf346f3a06930a11b3f488c27a

Aliases

arxiv: 1104.5145 · arxiv_version: 1104.5145v1 · doi: 10.48550/arxiv.1104.5145 · pith_short_12: 4HJAYIBS6BBB · pith_short_16: 4HJAYIBS6BBBFVCG · pith_short_8: 4HJAYIBS

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/4HJAYIBS6BBBFVCGQBE2CTTQ7D \
  | 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: e1d20c2032f04212d4468049a14e70f8fffb0fbf346f3a06930a11b3f488c27a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd8a9af445c9d00b860bc3e70d191e378d477479f055ec0252c8506d51aa58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-04-27T13:53:28Z",
    "title_canon_sha256": "efa842d1036cb42585c256849e180cfdaa66c3fb03b8c61e67a6c8127ce64080"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5145",
    "kind": "arxiv",
    "version": 1
  }
}