Pith Number

pith:6EG55Y4J

pith:2010:6EG55Y4JGEYKZE76YSM7OMBYM5

not attested not anchored not stored refs pending

X-ray observational signature of a black hole accretion disc in an active galactic nucleus RXJ1633+4718

(2) Univ. of Sci., Bifang Liu (1), CAS, Hongyan Zhou (2), Tech. of China), Tinggui Wang (2) ((1) NAOC/Yunnan Observatory, Weimin Yuan (1)

arxiv:1009.2808 v1 · 2010-09-14 · astro-ph.HE · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EG55Y4JGEYKZE76YSM7OMBYM5}

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	2026-05-18T02:05:30.350448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f10ddee3893130ac93fec499f7303867488b4ff0f18ebe5c65d6d9c65379f36f

Aliases

arxiv: 1009.2808 · arxiv_version: 1009.2808v1 · doi: 10.48550/arxiv.1009.2808 · pith_short_12: 6EG55Y4JGEYK · pith_short_16: 6EG55Y4JGEYKZE76 · pith_short_8: 6EG55Y4J

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/6EG55Y4JGEYKZE76YSM7OMBYM5 \
  | 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: f10ddee3893130ac93fec499f7303867488b4ff0f18ebe5c65d6d9c65379f36f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a07f6732f044834d3f5d9e60772e1c8fa5aae563fe7fd86ea17aa8e9e316d3fd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-09-14T23:11:19Z",
    "title_canon_sha256": "99bd0f7442a440c9c969d86728340f5f5116f9995a3bf61f07467ce120cd1025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2808",
    "kind": "arxiv",
    "version": 1
  }
}