Pith Number

pith:FMPZ2ZCA

pith:2013:FMPZ2ZCAMUXNR3VXSLBJ7N4RJA

not attested not anchored not stored refs pending

How linear surface waves are affected by a current with constant vorticity

Iver Brevik, Simen {\AA} Ellingsen

arxiv:1311.1073 v2 · 2013-11-05 · 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{FMPZ2ZCAMUXNR3VXSLBJ7N4RJA}

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	2026-05-18T02:57:52.392741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b1f9d6440652ed8eeb792c29fb791483684b1c0c856175665b9f617b4ef2054

Aliases

arxiv: 1311.1073 · arxiv_version: 1311.1073v2 · doi: 10.48550/arxiv.1311.1073 · pith_short_12: FMPZ2ZCAMUXN · pith_short_16: FMPZ2ZCAMUXNR3VX · pith_short_8: FMPZ2ZCA

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/FMPZ2ZCAMUXNR3VXSLBJ7N4RJA \
  | 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: 2b1f9d6440652ed8eeb792c29fb791483684b1c0c856175665b9f617b4ef2054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b5be14af726d929d730cbca83409c006ba50c809426f47898ee7c3264889d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-11-05T14:40:44Z",
    "title_canon_sha256": "2933fad008120ce4698967a40131347be7a10331b6b3616d4b7922588dc60ff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1073",
    "kind": "arxiv",
    "version": 2
  }
}