Pith Number

pith:VJ4N3FRG

pith:2015:VJ4N3FRGIXU6OHYIRTFRHTR2QI

not attested not anchored not stored refs pending

Numerical wind tunnels

Paulo Murilo Castro de Oliveira, Paulo Victor Santos Souza

arxiv:1509.06794 v2 · 2015-09-22 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJ4N3FRGIXU6OHYIRTFRHTR2QI}

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	2026-05-18T01:25:11.279412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa78dd962645e9e71f088ccb13ce3a8205f4de28332c0c4f53881223da253734

Aliases

arxiv: 1509.06794 · arxiv_version: 1509.06794v2 · doi: 10.48550/arxiv.1509.06794 · pith_short_12: VJ4N3FRGIXU6 · pith_short_16: VJ4N3FRGIXU6OHYI · pith_short_8: VJ4N3FRG

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/VJ4N3FRGIXU6OHYIRTFRHTR2QI \
  | 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: aa78dd962645e9e71f088ccb13ce3a8205f4de28332c0c4f53881223da253734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a21baef4dd1227bcaa63a6683771ae845f775d75e97dbb021494017db7af0c16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-09-22T21:49:51Z",
    "title_canon_sha256": "038f3aa2cd21f793f04b2632a77e24aae8a8cdabf1a12d7146ef22e0396936d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06794",
    "kind": "arxiv",
    "version": 2
  }
}