Pith Number

pith:HREH4WDI

pith:2012:HREH4WDI6KFPTEJJSRL5UT3GHN

not attested not anchored not stored refs pending

Schauder a priori estimates and regularity of solutions to boundary-degenerate elliptic linear second-order partial differential equations

Camelia Pop, Paul M. N. Feehan

arxiv:1210.6727 v3 · 2012-10-25 · math.AP · math.PR · q-fin.CP · q-fin.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HREH4WDI6KFPTEJJSRL5UT3GHN}

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	2026-05-18T01:17:33.727278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c487e5868f28af991299457da4f663b740a0acfd6d2ac54eaf9604cd641eb18

Aliases

arxiv: 1210.6727 · arxiv_version: 1210.6727v3 · doi: 10.48550/arxiv.1210.6727 · pith_short_12: HREH4WDI6KFP · pith_short_16: HREH4WDI6KFPTEJJ · pith_short_8: HREH4WDI

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/HREH4WDI6KFPTEJJSRL5UT3GHN \
  | 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: 3c487e5868f28af991299457da4f663b740a0acfd6d2ac54eaf9604cd641eb18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a71984ac6733d32fc78050cca384834e61bbbf10695b48928f01e5bbabbcee",
    "cross_cats_sorted": [
      "math.PR",
      "q-fin.CP",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-25T03:19:22Z",
    "title_canon_sha256": "849046e5c93aca9a6905ab96d5326405e5d3988a02070ed5296bbb1888a4d6fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6727",
    "kind": "arxiv",
    "version": 3
  }
}