Pith Number

pith:EYD7U4TM

pith:2007:EYD7U4TMVD5Q6J3G5Q5CHU7YSL

not attested not anchored not stored refs pending

Steady Models of Optically Thin, Magnetically Supported Black Hole Accretion Disks

H. Oda, K. E. Nakamura, M. Machida, R. Matsumoto

arxiv:astro-ph/0701658 v1 · 2007-01-23 · 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{EYD7U4TMVD5Q6J3G5Q5CHU7YSL}

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	2026-05-18T01:40:27.058249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2607fa726ca8fb0f2766ec3a23d3f892cb5f70e153c99a0dfaf6f17961ce1d8a

Aliases

arxiv: astro-ph/0701658 · arxiv_version: astro-ph/0701658v1 · doi: 10.48550/arxiv.astro-ph/0701658 · pith_short_12: EYD7U4TMVD5Q · pith_short_16: EYD7U4TMVD5Q6J3G · pith_short_8: EYD7U4TM

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/EYD7U4TMVD5Q6J3G5Q5CHU7YSL \
  | 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: 2607fa726ca8fb0f2766ec3a23d3f892cb5f70e153c99a0dfaf6f17961ce1d8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1bba9a05cd4aec45a44e4d8e2061e01f5b4c4efdc61206d0c74cfb28befead",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-23T19:12:07Z",
    "title_canon_sha256": "86c1e3ea31d0b5a25032633c4299860321d6c6870b60812beabd6705d24b90e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701658",
    "kind": "arxiv",
    "version": 1
  }
}