Pith Number

pith:VYSVSFJ7

pith:2013:VYSVSFJ7E7LO4UHTTFWCPKKS4L

not attested not anchored not stored refs pending

Oblique derivative problem for non-divergence parabolic equations with discontinuous in time coefficients

Alexander I. Nazarov, Vladimir Kozlov

arxiv:1301.4415 v1 · 2013-01-18 · 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{VYSVSFJ7E7LO4UHTTFWCPKKS4L}

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	2026-05-18T03:36:05.456533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2559153f27d6ee50f3996c27a952e2cca4baf3f7b9858cfe051a25f4742a84

Aliases

arxiv: 1301.4415 · arxiv_version: 1301.4415v1 · doi: 10.48550/arxiv.1301.4415 · pith_short_12: VYSVSFJ7E7LO · pith_short_16: VYSVSFJ7E7LO4UHT · pith_short_8: VYSVSFJ7

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/VYSVSFJ7E7LO4UHTTFWCPKKS4L \
  | 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: ae2559153f27d6ee50f3996c27a952e2cca4baf3f7b9858cfe051a25f4742a84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c494dccd6eb7216e4f04029e47ad8f6f20c8ed3fddf6d00dc2705126d9e79a8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-01-18T16:10:20Z",
    "title_canon_sha256": "30da4820e3e6b2c32f1271c4817537f665fd4ca4a9f325675ced5bdb1ef4a6fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4415",
    "kind": "arxiv",
    "version": 1
  }
}