Pith Number

pith:G3QKLHQF

pith:2018:G3QKLHQFQ4FXFIYO2Y4G7J7MMN

not attested not anchored not stored refs pending

Analysis of a quasi-reversibility method for a terminal value quasi-linear parabolic problem with measurements

Nguyen Huy Tuan, Vo Anh Khoa, Vo Van Au

arxiv:1803.04641 v2 · 2018-03-13 · math.NA · 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{G3QKLHQFQ4FXFIYO2Y4G7J7MMN}

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	2026-05-18T00:03:00.011588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36e0a59e05870b72a30ed6386fa7ec63677f2257c83e49a77783abbfb45d5864

Aliases

arxiv: 1803.04641 · arxiv_version: 1803.04641v2 · doi: 10.48550/arxiv.1803.04641 · pith_short_12: G3QKLHQFQ4FX · pith_short_16: G3QKLHQFQ4FXFIYO · pith_short_8: G3QKLHQF

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/G3QKLHQFQ4FXFIYO2Y4G7J7MMN \
  | 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: 36e0a59e05870b72a30ed6386fa7ec63677f2257c83e49a77783abbfb45d5864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf581ac8fc81616ac5190ca8f0b56c09100f7b6b174fefeb738588abc85bf05",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-13T06:10:11Z",
    "title_canon_sha256": "fe46efc1728537817d867a12d4d85f9b2c1eaf742056ac8089be839204705aa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04641",
    "kind": "arxiv",
    "version": 2
  }
}