Pith Number

pith:QCXWCVCJ

pith:2007:QCXWCVCJTTTY5GM27SZS3XPQSY

not attested not anchored not stored refs pending

Calibrations associated to Monge-Ampere equations

Micah Warren

arxiv:math/0702291 v2 · 2007-02-10 · math.AP · 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{QCXWCVCJTTTY5GM27SZS3XPQSY}

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	2026-05-18T04:08:52.903321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80af6154499ce78e999afcb32dddf0962d19874fb50e570618eed0d1ad284255

Aliases

arxiv: math/0702291 · arxiv_version: math/0702291v2 · doi: 10.48550/arxiv.math/0702291 · pith_short_12: QCXWCVCJTTTY · pith_short_16: QCXWCVCJTTTY5GM2 · pith_short_8: QCXWCVCJ

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/QCXWCVCJTTTY5GM27SZS3XPQSY \
  | 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: 80af6154499ce78e999afcb32dddf0962d19874fb50e570618eed0d1ad284255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac5c7e1b2bfa7cb8024421f8d5f62642eac1036c10911c6831a08a6e22c15d27",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2007-02-10T22:07:03Z",
    "title_canon_sha256": "1145ec67bdda5490459625258bae408af824eadf9b21a1b0c47830b580903d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702291",
    "kind": "arxiv",
    "version": 2
  }
}