Pith Number

pith:BGMW5NM2

pith:2026:BGMW5NM2TBNXMWP2UGSLV5QABO

not attested not anchored not stored refs pending

Learning 3D Hypersonic Flow with Physics-Enhanced Neural Fields: A Case Study on the Orion Reentry Capsule

Andrei Cristian Popescu, Flavio Savarino, Haitz S\'aez de Oc\'ariz Borde, Pantelis Papageorgiou, Pietro Innocenzi

arxiv:2603.28791 v2 · 2026-03-21 · 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{BGMW5NM2TBNXMWP2UGSLV5QABO}

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	2026-07-24T00:23:08.953047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09996eb59a985b7659faa1a4baf6000ba4dff339d7bb2eb822c34c631bb75e27

Aliases

arxiv: 2603.28791 · arxiv_version: 2603.28791v2 · doi: 10.48550/arxiv.2603.28791 · pith_short_12: BGMW5NM2TBNX · pith_short_16: BGMW5NM2TBNXMWP2 · pith_short_8: BGMW5NM2

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/BGMW5NM2TBNXMWP2UGSLV5QABO \
  | 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: 09996eb59a985b7659faa1a4baf6000ba4dff339d7bb2eb822c34c631bb75e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484207880d7c27721392e324689a30553db4b8b051f38a1e86ab5486c238cea1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-03-21T23:14:13Z",
    "title_canon_sha256": "679c89278ee1328adf67d53e6a07d335749527516a158b3c0d7a30121f8635f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28791",
    "kind": "arxiv",
    "version": 2
  }
}