Pith Number

pith:U6ZSKPOV

pith:2012:U6ZSKPOV5DZTFJN2UQQIKMJGTH

not attested not anchored not stored refs pending

Ubiquitous equatorial accretion disc winds in black hole soft states

G. Ponti, J. Neilsen, M. C. Begelman, M. Coriat, R. J. H. Dunn, R. P. Fender

arxiv:1201.4172 v1 · 2012-01-19 · 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{U6ZSKPOV5DZTFJN2UQQIKMJGTH}

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	2026-05-18T01:58:46.545882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b3253dd5e8f332a5baa42085312699ce6f5ee6af286c268d2319f9d2a6cd6e

Aliases

arxiv: 1201.4172 · arxiv_version: 1201.4172v1 · doi: 10.48550/arxiv.1201.4172 · pith_short_12: U6ZSKPOV5DZT · pith_short_16: U6ZSKPOV5DZTFJN2 · pith_short_8: U6ZSKPOV

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/U6ZSKPOV5DZTFJN2UQQIKMJGTH \
  | 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: a7b3253dd5e8f332a5baa42085312699ce6f5ee6af286c268d2319f9d2a6cd6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ddca77835386965e87d6ddf95b21ebe584525454096fde84ed56c64a6883ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-19T21:00:05Z",
    "title_canon_sha256": "3c010c8f04b2b45742cd210fa1f43049dac191cfa4efff55a876efc12f20c8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4172",
    "kind": "arxiv",
    "version": 1
  }
}