Pith Number

pith:HM7FDORI

pith:2012:HM7FDORIQYMK5VQ2J2OICOF7QG

not attested not anchored not stored refs pending

The geometry of the space of Cauchy data of nonlinear PDEs

G. Moreno

arxiv:1207.6290 v2 · 2012-07-26 · 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{HM7FDORIQYMK5VQ2J2OICOF7QG}

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	2026-05-18T03:38:14.001813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3e51ba288618aed61a4e9c8138bf81a8b27989781198362e4762823928f04b

Aliases

arxiv: 1207.6290 · arxiv_version: 1207.6290v2 · doi: 10.48550/arxiv.1207.6290 · pith_short_12: HM7FDORIQYMK · pith_short_16: HM7FDORIQYMK5VQ2 · pith_short_8: HM7FDORI

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/HM7FDORIQYMK5VQ2J2OICOF7QG \
  | 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: 3b3e51ba288618aed61a4e9c8138bf81a8b27989781198362e4762823928f04b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2e3fa3af09c0eebd4afb8ad1b4c196b307d8bfbd942ba5481dbab42e7c3edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-07-26T14:49:24Z",
    "title_canon_sha256": "92b5da5d1330c1ee66cca7bc6d5831fefe44663840e9353dabe97c03d5d58a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6290",
    "kind": "arxiv",
    "version": 2
  }
}