Pith Number

pith:J4OQR6S3

pith:2018:J4OQR6S3P5OIVAN3RART2TICQP

not attested not anchored not stored refs pending

Some free boundary problem for two phase inhomogeneous incompressible flow

Hirokazu Saito, Xin Zhang, Yoshihiro Shibata

arxiv:1811.02179 v1 · 2018-11-06 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4OQR6S3P5OIVAN3RART2TICQP}

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	2026-05-18T00:01:24.874246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1d08fa5b7f5c8a81bb88233d4d0283ca9f823c5d0e550964ca4f31caab92d3

Aliases

arxiv: 1811.02179 · arxiv_version: 1811.02179v1 · doi: 10.48550/arxiv.1811.02179 · pith_short_12: J4OQR6S3P5OI · pith_short_16: J4OQR6S3P5OIVAN3 · pith_short_8: J4OQR6S3

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/J4OQR6S3P5OIVAN3RART2TICQP \
  | 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: 4f1d08fa5b7f5c8a81bb88233d4d0283ca9f823c5d0e550964ca4f31caab92d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c693b88498bb47040ce65f50c67d1fd02a8f4a5d4ce988c521e553238d941aa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-06T06:15:16Z",
    "title_canon_sha256": "5c9bb0c2e52dcdcfd72340be5755dac2d8d8543bf12872afef687e7251936099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02179",
    "kind": "arxiv",
    "version": 1
  }
}