Pith Number

pith:J4V2LRVS

pith:2013:J4V2LRVSXR3XEPGMFDZZI2UMK4

not attested not anchored not stored refs pending

Constraints on the Viscosity and Magnetic Field in Hot Accretion Flows around Black Holes

B.F.Liu, Ronald E. Taam

arxiv:1306.5881 v1 · 2013-06-25 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4V2LRVSXR3XEPGMFDZZI2UMK4}

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	2026-05-18T01:49:08.216983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2ba5c6b2bc77723ccc28f3946a8c5721452ab2576ac1ae5a14922493c88ef8

Aliases

arxiv: 1306.5881 · arxiv_version: 1306.5881v1 · doi: 10.48550/arxiv.1306.5881 · pith_short_12: J4V2LRVSXR3X · pith_short_16: J4V2LRVSXR3XEPGM · pith_short_8: J4V2LRVS

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/J4V2LRVSXR3XEPGMFDZZI2UMK4 \
  | 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: 4f2ba5c6b2bc77723ccc28f3946a8c5721452ab2576ac1ae5a14922493c88ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c473d3f9942410d139865a6e68d0b4a0765e8ba068e26807e5a28006051d6e63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-25T08:54:16Z",
    "title_canon_sha256": "4d742f66d7728ff1af6f799667333621359594a91717747820b1ac230609a10a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5881",
    "kind": "arxiv",
    "version": 1
  }
}