Pith Number

pith:UCSKBY63

pith:2013:UCSKBY633VYBIOXFMP4I5IIWLW

not attested not anchored not stored refs pending

On the size and location of the X-ray emitting coronae around black holes

J. M. Miller, R. C. Reis

arxiv:1304.4947 v1 · 2013-04-17 · 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{UCSKBY633VYBIOXFMP4I5IIWLW}

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	2026-05-18T01:50:31.425873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a4a0e3dbdd70143ae563f88ea1165dac9977c2c3af6aa5afbf416602f4f76b

Aliases

arxiv: 1304.4947 · arxiv_version: 1304.4947v1 · doi: 10.48550/arxiv.1304.4947 · pith_short_12: UCSKBY633VYB · pith_short_16: UCSKBY633VYBIOXF · pith_short_8: UCSKBY63

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/UCSKBY633VYBIOXFMP4I5IIWLW \
  | 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: a0a4a0e3dbdd70143ae563f88ea1165dac9977c2c3af6aa5afbf416602f4f76b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b6ba15529e8d05af15a1c8ac9faa9139e2a218fb695e46cd098a0b817e166e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-17T20:02:12Z",
    "title_canon_sha256": "35cc09f9b8d8ff0dde69fd4cedcdf9936d030d2bfd93542b1b3b7639e5d120ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4947",
    "kind": "arxiv",
    "version": 1
  }
}