Pith Number

pith:IWRRPIWF

pith:2021:IWRRPIWFNHNJSIBGD4XUXQ2DZX

not attested not anchored not stored refs pending

Diffeomorphic Particle Image Velocimetry

Shuang Mei, Yong Lee

arxiv:2108.07438 v1 · 2021-08-17 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWRRPIWFNHNJSIBGD4XUXQ2DZX}

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	2026-07-05T03:38:28.192241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a317a2c569da9920261f2f4bc343cdcc7a74701a1cdde814be628487a7a605

Aliases

arxiv: 2108.07438 · arxiv_version: 2108.07438v1 · doi: 10.48550/arxiv.2108.07438 · pith_short_12: IWRRPIWFNHNJ · pith_short_16: IWRRPIWFNHNJSIBG · pith_short_8: IWRRPIWF

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/IWRRPIWFNHNJSIBGD4XUXQ2DZX \
  | 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: 45a317a2c569da9920261f2f4bc343cdcc7a74701a1cdde814be628487a7a605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9f11174ba4df703e4381dd8ff61c875d9a80c35bea18eebbc3a0fbcc505c5f2",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-17T04:26:09Z",
    "title_canon_sha256": "f7aad58cf764a2c66c38dee6b80a747881d2a5fd4b7b1d1e69dc11044d8cae59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07438",
    "kind": "arxiv",
    "version": 1
  }
}