Pith Number

pith:2EA7KF5P

pith:2018:2EA7KF5PY62JSP4B3WCUUTKJN5

not attested not anchored not stored refs pending

Total Generalized Variation Regularization in Variational Data Assimilation for Burgers' Equation

E. Loayza, J.C. De los Reyes

arxiv:1804.04447 v1 · 2018-04-12 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EA7KF5PY62JSP4B3WCUUTKJN5}

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	2026-05-18T00:18:37.530917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d101f517afc7b4993f81dd854a4d496f7cb9e61ee5c5a8e91bd2d932920657b1

Aliases

arxiv: 1804.04447 · arxiv_version: 1804.04447v1 · doi: 10.48550/arxiv.1804.04447 · pith_short_12: 2EA7KF5PY62J · pith_short_16: 2EA7KF5PY62JSP4B · pith_short_8: 2EA7KF5P

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/2EA7KF5PY62JSP4B3WCUUTKJN5 \
  | 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: d101f517afc7b4993f81dd854a4d496f7cb9e61ee5c5a8e91bd2d932920657b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3990806bc9219bbe52bd4ba6c97a20db115563b429493f10ce66c79b1cf0e0f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-12T11:56:34Z",
    "title_canon_sha256": "bb97cabfdbc6dc56a374576474edd38836cf424f68c864f5bc57ab5415b169aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04447",
    "kind": "arxiv",
    "version": 1
  }
}