Pith Number

pith:3APXKAGK

pith:2012:3APXKAGKW5TVTFTGTH25P3EEH4

not attested not anchored not stored refs pending

The physical origin of the X-ray power spectral density break timescale in accreting black holes

T. J.-L. Courvoisier, W. Ishibashi

arxiv:1203.0553 v1 · 2012-03-02 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3APXKAGKW5TVTFTGTH25P3EEH4}

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	2026-05-18T01:58:15.509670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81f7500cab76759966699f5d7ec843f2032a085f4d993989dcedf310edea984

Aliases

arxiv: 1203.0553 · arxiv_version: 1203.0553v1 · doi: 10.48550/arxiv.1203.0553 · pith_short_12: 3APXKAGKW5TV · pith_short_16: 3APXKAGKW5TVTFTG · pith_short_8: 3APXKAGK

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/3APXKAGKW5TVTFTGTH25P3EEH4 \
  | 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: d81f7500cab76759966699f5d7ec843f2032a085f4d993989dcedf310edea984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aaaa00326a636c348e9003d837bf62f10fd70c35a97a174d549a12cc15ac7b2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-02T19:47:59Z",
    "title_canon_sha256": "2b7100df1833743b198c7e752366d3511c5c151955d5a1be6c2da1122ab4487a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0553",
    "kind": "arxiv",
    "version": 1
  }
}