Pith Number

pith:TUHMEIP7

pith:2017:TUHMEIP7JA4HPS3D77QF7KPICL

not attested not anchored not stored refs pending

Equation level matching: An extension of the method of matched asymptotic expansion for problems of wave propagation

Luiz M. Faria, Rodolfo R. Rosales

arxiv:1701.05882 v1 · 2017-01-20 · 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{TUHMEIP7JA4HPS3D77QF7KPICL}

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	2026-05-18T00:52:24.477044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d0ec221ff483877cb63ffe05fa9e812fefc5c1463eaa04dd114a18b0d4aea6f

Aliases

arxiv: 1701.05882 · arxiv_version: 1701.05882v1 · doi: 10.48550/arxiv.1701.05882 · pith_short_12: TUHMEIP7JA4H · pith_short_16: TUHMEIP7JA4HPS3D · pith_short_8: TUHMEIP7

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/TUHMEIP7JA4HPS3D77QF7KPICL \
  | 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: 9d0ec221ff483877cb63ffe05fa9e812fefc5c1463eaa04dd114a18b0d4aea6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964b8ee7d3c864af2b87a567363348f7efed8a64fa04c624de04ff3070ac09b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-01-20T18:30:51Z",
    "title_canon_sha256": "c4d4dd50a39bedbb151e9cf0770f8dd7b7f4804414c269e02ef1288e51e4f110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05882",
    "kind": "arxiv",
    "version": 1
  }
}