Pith Number

pith:5RB2NTVF

pith:2026:5RB2NTVFSYU6XEER36IJ7VF7V5

not attested not anchored not stored refs pending

A Mesh-Free Solver for Multi-Phase Mullins-Sekerka Flow: Triple Junctions and Ninety-Degree Boundary Contact

Tokuhiro Eto

arxiv:2607.12759 v1 · 2026-07-14 · math.NA · cs.NA · 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{5RB2NTVFSYU6XEER36IJ7VF7V5}

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	2026-07-15T01:22:16.338023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec43a6cea59629eb9091df909fd4bfaf62ba5b3df23ad8cbc9e92006cee8a633

Aliases

arxiv: 2607.12759 · arxiv_version: 2607.12759v1 · doi: 10.48550/arxiv.2607.12759 · pith_short_12: 5RB2NTVFSYU6 · pith_short_16: 5RB2NTVFSYU6XEER · pith_short_8: 5RB2NTVF

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/5RB2NTVFSYU6XEER36IJ7VF7V5 \
  | 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: ec43a6cea59629eb9091df909fd4bfaf62ba5b3df23ad8cbc9e92006cee8a633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96a5d75f76a662e7fe491503d408f20c9c04c7ec70609d52a7cf7a0b5312746",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-14T13:25:23Z",
    "title_canon_sha256": "9990060cda337d594f5a8be0202b5bfe46d6517a79ecb76fffd7d22cc7de114a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12759",
    "kind": "arxiv",
    "version": 1
  }
}