Pith Number

pith:JDWPOAYL

pith:2012:JDWPOAYLLCKI6GBADWM4IE743J

not attested not anchored not stored refs pending

Microlensing Evidence for Super-Eddington Disc Accretion in Quasars

N. I. Shakura, P. Abolmasov

arxiv:1208.1678 v3 · 2012-08-08 · astro-ph.CO · 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{JDWPOAYLLCKI6GBADWM4IE743J}

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	2026-05-18T02:37:52.281972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48ecf7030b58948f18201d99c413fcda4893e041b507b6e07f6551406b3ec809

Aliases

arxiv: 1208.1678 · arxiv_version: 1208.1678v3 · doi: 10.48550/arxiv.1208.1678 · pith_short_12: JDWPOAYLLCKI · pith_short_16: JDWPOAYLLCKI6GBA · pith_short_8: JDWPOAYL

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/JDWPOAYLLCKI6GBADWM4IE743J \
  | 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: 48ecf7030b58948f18201d99c413fcda4893e041b507b6e07f6551406b3ec809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f868779415b88103493871f08e5515b87c8e1329c480afca12f66f74953cd0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T14:43:39Z",
    "title_canon_sha256": "09a2aa49f7372dd1f07f4c3c1b265c65d867c65f4bc30a4a1d68561075e5a1a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1678",
    "kind": "arxiv",
    "version": 3
  }
}