Pith Number

pith:2GJ4IBR7

pith:2011:2GJ4IBR7VFDKKAGZDMFDNSGYEV

not attested not anchored not stored refs pending

Observational evidence for AGNs feedback at parsec scale

Feng Yuan, Miao Li

arxiv:1105.4822 v1 · 2011-05-24 · 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{2GJ4IBR7VFDKKAGZDMFDNSGYEV}

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	2026-05-18T02:01:51.560874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d193c4063fa946a500d91b0a36c8d8256f0ae330285f66ba7e4dfabb9a7f1826

Aliases

arxiv: 1105.4822 · arxiv_version: 1105.4822v1 · doi: 10.48550/arxiv.1105.4822 · pith_short_12: 2GJ4IBR7VFDK · pith_short_16: 2GJ4IBR7VFDKKAGZ · pith_short_8: 2GJ4IBR7

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/2GJ4IBR7VFDKKAGZDMFDNSGYEV \
  | 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: d193c4063fa946a500d91b0a36c8d8256f0ae330285f66ba7e4dfabb9a7f1826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0416bdc89af37a7e6e96567b8996b19070a23896d1623737e82d82ca8cd698aa",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-24T16:33:34Z",
    "title_canon_sha256": "d6a885e2f8d60629989dd37595aec47b5298480f82295579ae4cf6666e976996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4822",
    "kind": "arxiv",
    "version": 1
  }
}