Pith Number

pith:UPVRJGJS

pith:2013:UPVRJGJSBCCTMLJK6VQSRMLVTD

not attested not anchored not stored refs pending

Building a Hydrodynamics Code with Kinetic Theory

Dirk Colbry, Irina Sagert, Rodney Pickett, Terrance Strother, Wolfgang Bauer

arxiv:1305.4220 v1 · 2013-05-18 · physics.flu-dyn · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPVRJGJSBCCTMLJK6VQSRMLVTD}

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	2026-05-18T02:46:15.098240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3eb1499320885362d2af56128b17598effcb351772eb6a24aa6bcd777263f1c

Aliases

arxiv: 1305.4220 · arxiv_version: 1305.4220v1 · doi: 10.48550/arxiv.1305.4220 · pith_short_12: UPVRJGJSBCCT · pith_short_16: UPVRJGJSBCCTMLJK · pith_short_8: UPVRJGJS

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/UPVRJGJSBCCTMLJK6VQSRMLVTD \
  | 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: a3eb1499320885362d2af56128b17598effcb351772eb6a24aa6bcd777263f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1ef3fe26f236ec5cb21b1729396769390d9aa5e3f2f24dbdd09eb450598a2d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-05-18T03:20:58Z",
    "title_canon_sha256": "4bcc8b7b2b5c22c969ba7201c37d7a53afbd9e45a80248714a4c806bb6caede3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4220",
    "kind": "arxiv",
    "version": 1
  }
}