Pith Number

pith:DCYQZI4A

pith:2014:DCYQZI4A3MX3Z5IFRMH6WE4AXK

not attested not anchored not stored refs pending

Towards Dynamic PET Reconstruction under Flow Conditions: Parameter Identification in a PDE Model

Louise Reips, Martin Burger, Ralf Engbers

arxiv:1411.5143 v1 · 2014-11-19 · 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{DCYQZI4A3MX3Z5IFRMH6WE4AXK}

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	2026-05-18T02:34:44.287833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18b10ca380db2fbcf5058b0feb1380ba80b5e062be6324272634c0785ad07ab4

Aliases

arxiv: 1411.5143 · arxiv_version: 1411.5143v1 · doi: 10.48550/arxiv.1411.5143 · pith_short_12: DCYQZI4A3MX3 · pith_short_16: DCYQZI4A3MX3Z5IF · pith_short_8: DCYQZI4A

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/DCYQZI4A3MX3Z5IFRMH6WE4AXK \
  | 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: 18b10ca380db2fbcf5058b0feb1380ba80b5e062be6324272634c0785ad07ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4053db5d60da781e3ce2e50583a913896d550bd0f977b3434b558cb932a875a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-19T08:46:21Z",
    "title_canon_sha256": "545c36a9ba3f524c9de8ed057f61c34b47a0e2982e38094c923ca1aa9da33543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5143",
    "kind": "arxiv",
    "version": 1
  }
}