Pith Number

pith:6PQQC66I

pith:2014:6PQQC66IYMHPQAMJ3DPAW437LN

not attested not anchored not stored refs pending

Obstructions to the existence of limiting Carleman weights

Alberto Ruiz, Daniel Faraco, Luis Guijarro, Pablo Angulo-Ardoy

arxiv:1411.4887 v3 · 2014-11-18 · 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{6PQQC66IYMHPQAMJ3DPAW437LN}

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	2026-05-18T01:11:33.727906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e1017bc8c30ef80189d8de0b737f5b69868290179fc0defb0d6da817b5a44b

Aliases

arxiv: 1411.4887 · arxiv_version: 1411.4887v3 · doi: 10.48550/arxiv.1411.4887 · pith_short_12: 6PQQC66IYMHP · pith_short_16: 6PQQC66IYMHPQAMJ · pith_short_8: 6PQQC66I

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/6PQQC66IYMHPQAMJ3DPAW437LN \
  | 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: f3e1017bc8c30ef80189d8de0b737f5b69868290179fc0defb0d6da817b5a44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "934611a73f52d2050dceb22fd98636127880ee5442478a73ab939f13f06b22d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-18T16:09:31Z",
    "title_canon_sha256": "7dfc80340dd3a0e67c4a5457e2d98ac8054a31709a53a57c7bf1d09e6d1abcb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4887",
    "kind": "arxiv",
    "version": 3
  }
}