Pith Number

pith:T7P5JKWI

pith:2018:T7P5JKWIEFHJMP77TJTZGJ7HHZ

not attested not anchored not stored refs pending

An affine model of the dynamics of astrophysical discs

Gordon I. Ogilvie

arxiv:1802.10369 v1 · 2018-02-28 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7P5JKWIEFHJMP77TJTZGJ7HHZ}

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	2026-05-18T00:20:34.780084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fdfd4aac8214e963fff9a679327e73e71fc6e758bd199c4fc7e7384ae141a86

Aliases

arxiv: 1802.10369 · arxiv_version: 1802.10369v1 · doi: 10.48550/arxiv.1802.10369 · pith_short_12: T7P5JKWIEFHJ · pith_short_16: T7P5JKWIEFHJMP77 · pith_short_8: T7P5JKWI

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/T7P5JKWIEFHJMP77TJTZGJ7HHZ \
  | 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: 9fdfd4aac8214e963fff9a679327e73e71fc6e758bd199c4fc7e7384ae141a86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110c9484730f00b57ac0a36345244f6fbbf80c0e02a6fc519feb4718c0330afb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-28T11:38:01Z",
    "title_canon_sha256": "2d5787845963230638fd64a645eae316ead695ab235012de05786205ffbd36dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10369",
    "kind": "arxiv",
    "version": 1
  }
}