Pith Number

pith:FWQNWEYJ

pith:2017:FWQNWEYJNUIE54V2BC2CHGDGBJ

not attested not anchored not stored refs pending

Copolar convexity

Alexander Rashkovskii

arxiv:1701.01002 v2 · 2017-01-04 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWQNWEYJNUIE54V2BC2CHGDGBJ}

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	2026-05-18T00:23:17.129260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da0db13096d104ef2ba08b42398660a531de053f2a24860b9f21aa75759ce42

Aliases

arxiv: 1701.01002 · arxiv_version: 1701.01002v2 · doi: 10.48550/arxiv.1701.01002 · pith_short_12: FWQNWEYJNUIE · pith_short_16: FWQNWEYJNUIE54V2 · pith_short_8: FWQNWEYJ

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/FWQNWEYJNUIE54V2BC2CHGDGBJ \
  | 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: 2da0db13096d104ef2ba08b42398660a531de053f2a24860b9f21aa75759ce42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a2738269d22015596cc553b6e8d878fd3d69c2f4b11acfc70fd37d981af3c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-04T13:31:24Z",
    "title_canon_sha256": "f844f2afc54f8a6ef50541b651e59b32f80b054e4b1c78b4a6cef156275b9a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01002",
    "kind": "arxiv",
    "version": 2
  }
}