Pith Number

pith:JIIOS4NW

pith:2011:JIIOS4NWWVCZJKBJ7XWJHZFARM

not attested not anchored not stored refs pending

Course of analytical geometry

Ruslan Sharipov

arxiv:1111.6521 v2 · 2011-11-28 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIIOS4NWWVCZJKBJ7XWJHZFARM}

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	2026-05-18T03:20:33.022588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a10e971b6b54594a829fdec93e4a08b32b654f3a98d2952a64d29db6becfe3f

Aliases

arxiv: 1111.6521 · arxiv_version: 1111.6521v2 · doi: 10.48550/arxiv.1111.6521 · pith_short_12: JIIOS4NWWVCZ · pith_short_16: JIIOS4NWWVCZJKBJ · pith_short_8: JIIOS4NW

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/JIIOS4NWWVCZJKBJ7XWJHZFARM \
  | 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: 4a10e971b6b54594a829fdec93e4a08b32b654f3a98d2952a64d29db6becfe3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d6704bffbdef7253da889fd46fa148e860549363bfc667932eaa233deea8db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-11-28T17:15:54Z",
    "title_canon_sha256": "a1784531ba94f63dc69e1c367da1ce582e347e7a31c5d2a08f14df47bf0e3675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6521",
    "kind": "arxiv",
    "version": 2
  }
}