Pith Number

pith:7K4H6QOV

pith:2019:7K4H6QOVIPVJVOI42QTODAPGHE

not attested not anchored not stored refs pending

Regularized Inverse Holographic Volume Reconstruction for 3D Particle Tracking

Jiarong Hong, Kevin Mallery

arxiv:1904.04884 v1 · 2019-04-09 · eess.IV · physics.flu-dyn · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7K4H6QOVIPVJVOI42QTODAPGHE}

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	2026-05-17T23:39:54.287499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab87f41d543ea9ab91cd426e181e63938fc7fb764f2c9fcf77ba0686eec6e49

Aliases

arxiv: 1904.04884 · arxiv_version: 1904.04884v1 · doi: 10.48550/arxiv.1904.04884 · pith_short_12: 7K4H6QOVIPVJ · pith_short_16: 7K4H6QOVIPVJVOI4 · pith_short_8: 7K4H6QOV

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/7K4H6QOVIPVJVOI42QTODAPGHE \
  | 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: fab87f41d543ea9ab91cd426e181e63938fc7fb764f2c9fcf77ba0686eec6e49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36473564344ef45c613254c60327d4e4a6d5037eb19d5dba2c5944583d421bfb",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-04-09T19:53:37Z",
    "title_canon_sha256": "d77fe5862da7db427fc44a104f96c8cc872f27a90b55aad5e5d91bb82107dbf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04884",
    "kind": "arxiv",
    "version": 1
  }
}