Pith Number

pith:55LY6RSW

pith:2013:55LY6RSWDFBPT7VZLNXLAYSE2L

not attested not anchored not stored refs pending

A geometric tangential approach to sharp regularity for degenerate evolution equations

Eduardo V. Teixeira, Jos\'e Miguel Urbano

arxiv:1307.1057 v1 · 2013-07-03 · 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{55LY6RSWDFBPT7VZLNXLAYSE2L}

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	2026-05-18T03:19:23.025096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef578f46561942f9feb95b6eb06244d2c272feaae9c511a79d03b7f7adc0ebf1

Aliases

arxiv: 1307.1057 · arxiv_version: 1307.1057v1 · doi: 10.48550/arxiv.1307.1057 · pith_short_12: 55LY6RSWDFBP · pith_short_16: 55LY6RSWDFBPT7VZ · pith_short_8: 55LY6RSW

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/55LY6RSWDFBPT7VZLNXLAYSE2L \
  | 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: ef578f46561942f9feb95b6eb06244d2c272feaae9c511a79d03b7f7adc0ebf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e5edd0cbbc8ddc9da32e3b4f3ce7178b7e00033adbb10135360cb59f717509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-07-03T16:02:19Z",
    "title_canon_sha256": "186f73605a83d174c40bddd853f8b302dbd2e9f33421c4d325ba41763442f29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1057",
    "kind": "arxiv",
    "version": 1
  }
}