Pith Number

pith:EAANNUBS

pith:2017:EAANNUBSWUNBM7L7F6N2Q2G7PZ

not attested not anchored not stored refs pending

Efficient computation of two-dimensional steady free-surface flows

Ravindra Pethiyagoda, Scott W. McCue, Timothy J. Moroney

arxiv:1708.09501 v1 · 2017-08-30 · 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{EAANNUBSWUNBM7L7F6N2Q2G7PZ}

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	2026-05-18T00:21:11.261613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2000d6d032b51a167d7f2f9ba868df7e6fa651a6b1a65eba2a6743486572234f

Aliases

arxiv: 1708.09501 · arxiv_version: 1708.09501v1 · doi: 10.48550/arxiv.1708.09501 · pith_short_12: EAANNUBSWUNB · pith_short_16: EAANNUBSWUNBM7L7 · pith_short_8: EAANNUBS

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/EAANNUBSWUNBM7L7F6N2Q2G7PZ \
  | 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: 2000d6d032b51a167d7f2f9ba868df7e6fa651a6b1a65eba2a6743486572234f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d0e49ac2bb9410efda122bcb9c382f291952dcc1dbf41c00aff49e1e23e7aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-08-30T23:27:12Z",
    "title_canon_sha256": "1946f650f440db375ebbc6d467fe97be961d1c55efb433ea518355654e63757d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09501",
    "kind": "arxiv",
    "version": 1
  }
}