Pith Number

pith:OISM2GOE

pith:2018:OISM2GOEO62OUDUBFTSMRJAO52

not attested not anchored not stored refs pending

A note on the extreme points of the cone of quasiconvex quadratic forms with orthotropic symmetry

Davit Harutyunyan

arxiv:1805.08312 v2 · 2018-05-21 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OISM2GOEO62OUDUBFTSMRJAO52}

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	2026-05-17T23:43:09.465329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7224cd19c477b4ea0e812ce4c8a40eee8db6d10d011cde4af7f1bcaf518f90fa

Aliases

arxiv: 1805.08312 · arxiv_version: 1805.08312v2 · doi: 10.48550/arxiv.1805.08312 · pith_short_12: OISM2GOEO62O · pith_short_16: OISM2GOEO62OUDUB · pith_short_8: OISM2GOE

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/OISM2GOEO62OUDUBFTSMRJAO52 \
  | 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: 7224cd19c477b4ea0e812ce4c8a40eee8db6d10d011cde4af7f1bcaf518f90fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1a85aa7b7eea5fb5c23698e372b206d2c00c5fd8189b3a3490091f88a22bbc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-21T22:36:59Z",
    "title_canon_sha256": "f768ec22d5435e6c50c5ef4a521d0fd0ae7221317ca464d7801b9cb07aecbb71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08312",
    "kind": "arxiv",
    "version": 2
  }
}