Pith Number

pith:I4AJ3RIJ

pith:2018:I4AJ3RIJCXV6ZRAD5732ZPIRB6

not attested not anchored not stored refs pending

An ultra-fast inflow in the luminous Seyfert PG1211+143

Andrew King, Andrew Lobban, Chris Nixon, Ken Pounds

arxiv:1808.09373 v1 · 2018-08-28 · 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{I4AJ3RIJCXV6ZRAD5732ZPIRB6}

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	2026-05-18T00:06:00.950476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47009dc50915ebecc403eff7acbd110fa261bee63e8aee57b76573c7bf4b8f1d

Aliases

arxiv: 1808.09373 · arxiv_version: 1808.09373v1 · doi: 10.48550/arxiv.1808.09373 · pith_short_12: I4AJ3RIJCXV6 · pith_short_16: I4AJ3RIJCXV6ZRAD · pith_short_8: I4AJ3RIJ

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/I4AJ3RIJCXV6ZRAD5732ZPIRB6 \
  | 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: 47009dc50915ebecc403eff7acbd110fa261bee63e8aee57b76573c7bf4b8f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd721c11ac211c756b190bbf85d950f2c8d528a5ad49637e2778dc0ebe4814df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-28T15:47:08Z",
    "title_canon_sha256": "9cacb446b70731fbe18f3536bdfed480cf22c75143f7adabceac8e90565cecf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09373",
    "kind": "arxiv",
    "version": 1
  }
}