Pith Number

pith:5D7BBNBJ

pith:2012:5D7BBNBJH773Q3EWGKSX76ELBK

not attested not anchored not stored refs pending

Microlensing evidence for super-Eddington disk accretion in quasars

Nikolai I. Shakura, Pavel Abolmasov

arxiv:1210.5087 v2 · 2012-10-18 · 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{5D7BBNBJH773Q3EWGKSX76ELBK}

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	2026-05-18T01:53:46.665612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8fe10b4293fffb86c9632a57ff88b0a8980889eb447a98c49f1c865cc897d6e

Aliases

arxiv: 1210.5087 · arxiv_version: 1210.5087v2 · doi: 10.48550/arxiv.1210.5087 · pith_short_12: 5D7BBNBJH773 · pith_short_16: 5D7BBNBJH773Q3EW · pith_short_8: 5D7BBNBJ

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/5D7BBNBJH773Q3EWGKSX76ELBK \
  | 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: e8fe10b4293fffb86c9632a57ff88b0a8980889eb447a98c49f1c865cc897d6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deaf65a60250b80a5773d3fed2d45f41947f42170be038a7e7efd346d3829574",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-18T10:55:26Z",
    "title_canon_sha256": "b7acc5cd6b96b202797d13c6c9c7d57c6680630afd6f268e67cc53566e1ce12c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5087",
    "kind": "arxiv",
    "version": 2
  }
}