Pith Number

pith:JAPZ6XTB

pith:2017:JAPZ6XTBJUWW5LLJFCZQODE5DX

not attested not anchored not stored refs pending

Swimming efficiency in a shear-thinning fluid

Herve Nganguia, Kyle Pietrzyk, On Shun Pak

arxiv:1712.01305 v1 · 2017-12-04 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JAPZ6XTBJUWW5LLJFCZQODE5DX}

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	2026-05-18T00:28:04.340910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

481f9f5e614d2d6ead6928b3070c9d1dc805c8fa6424d34cd100e0a2b2bc7746

Aliases

arxiv: 1712.01305 · arxiv_version: 1712.01305v1 · doi: 10.48550/arxiv.1712.01305 · pith_short_12: JAPZ6XTBJUWW · pith_short_16: JAPZ6XTBJUWW5LLJ · pith_short_8: JAPZ6XTB

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/JAPZ6XTBJUWW5LLJFCZQODE5DX \
  | 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: 481f9f5e614d2d6ead6928b3070c9d1dc805c8fa6424d34cd100e0a2b2bc7746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d4e89be3414413d28cf45fc0bcab933ab7e0e95912b0f18a256d201e95d6a3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-04T19:05:35Z",
    "title_canon_sha256": "f3a146e8098e47d482ae22a7b37c0108f9d81db7e04a66faf19dcdbf14eae47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01305",
    "kind": "arxiv",
    "version": 1
  }
}