Pith Number

pith:SLQETRRZ

pith:2026:SLQETRRZ52HXOXDR33UGSLYTSU

not attested not anchored not stored refs pending

On the weak formulation of Prandtl's minimum drag problem

Aram L. Karakhanyan, Yigit Katgi

arxiv:2606.12757 v1 · 2026-06-10 · 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{SLQETRRZ52HXOXDR33UGSLYTSU}

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	2026-06-12T01:08:49.497837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92e049c639ee8f775c71dee8692f13950584e0ead233f06980e1c862f8e75b2e

Aliases

arxiv: 2606.12757 · arxiv_version: 2606.12757v1 · doi: 10.48550/arxiv.2606.12757 · pith_short_12: SLQETRRZ52HX · pith_short_16: SLQETRRZ52HXOXDR · pith_short_8: SLQETRRZ

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/SLQETRRZ52HXOXDR33UGSLYTSU \
  | 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: 92e049c639ee8f775c71dee8692f13950584e0ead233f06980e1c862f8e75b2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029411285f57d355502e6f1e96eeaffd923dada5baf6007e1ffe52ab4c934006",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-06-10T23:55:43Z",
    "title_canon_sha256": "259694d7a077d342d1063041fba7b87bdd804955b11ca53c5d6ca65d46c9f88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12757",
    "kind": "arxiv",
    "version": 1
  }
}