Pith Number

pith:4H4QT625

pith:2007:4H4QT625XUONNN3B7CT7D2GHR2

not attested not anchored not stored refs pending

Warp diffusion in accretion discs: a numerical investigation

1) ((1) Department of Physics, 2), Astronomy, Cambridge), Giuseppe Lodato (1, J. E. Pringle (2, University of Leicester (2) Institute of Astronomy

arxiv:0708.1124 v1 · 2007-08-08 · astro-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{4H4QT625XUONNN3B7CT7D2GHR2}

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	2026-07-04T17:05:06.495452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f909fb5dbd1cd6b761f8a7f1e8c78e89fcf055be7da2f017bbee48bbb05a3e

Aliases

arxiv: 0708.1124 · arxiv_version: 0708.1124v1 · doi: 10.48550/arxiv.0708.1124 · pith_short_12: 4H4QT625XUON · pith_short_16: 4H4QT625XUONNN3B · pith_short_8: 4H4QT625

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/4H4QT625XUONNN3B7CT7D2GHR2 \
  | 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: e1f909fb5dbd1cd6b761f8a7f1e8c78e89fcf055be7da2f017bbee48bbb05a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5210ca24fc2a6421b091c5f010fe5a3bab46ae3a0414d3238e4cc5ef02476349",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-08T15:15:51Z",
    "title_canon_sha256": "7e3ac752e7174054704099cc5c583b05129e66f8d82da3af81ee95dad5c45c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1124",
    "kind": "arxiv",
    "version": 1
  }
}