Pith Number

pith:B64AMQET

pith:1999:B64AMQETCI3EJFZCJBZE5HAFPI

not attested not anchored not stored refs pending

On the source of viscosity in cool binary accretion disks

E. Meyer-Hofmeister, F. Meyer

arxiv:astro-ph/9901232 v1 · 1999-01-18 · 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{B64AMQETCI3EJFZCJBZE5HAFPI}

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	2026-05-18T04:21:39.930746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fb8064093123644972248724e9c057a18a2d6dcab8af6c44590367136f44d69

Aliases

arxiv: astro-ph/9901232 · arxiv_version: astro-ph/9901232v1 · doi: 10.48550/arxiv.astro-ph/9901232 · pith_short_12: B64AMQETCI3E · pith_short_16: B64AMQETCI3EJFZC · pith_short_8: B64AMQET

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/B64AMQETCI3EJFZCJBZE5HAFPI \
  | 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: 0fb8064093123644972248724e9c057a18a2d6dcab8af6c44590367136f44d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731584f92c4d17f498109a6e3717b42f55f593ac025898bf1d24d82d8113b883",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-18T15:28:20Z",
    "title_canon_sha256": "226ae80a04f2f1d2d483917902aec484973c5c28a18d02e2e137a972235d6411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901232",
    "kind": "arxiv",
    "version": 1
  }
}