Pith Number

pith:WK3SYGDF

pith:2018:WK3SYGDFA6JR6F5JWTKD2FP3YT

not attested not anchored not stored refs pending

On the Gas Content and Efficiency of AGN Feedback in Low-redshift Quasars

Jinyi Shangguan, Luis C. Ho, Yanxia Xie

arxiv:1802.08364 v1 · 2018-02-23 · astro-ph.GA · 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{WK3SYGDFA6JR6F5JWTKD2FP3YT}

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	2026-05-18T00:21:51.973904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b72c186507931f17a9b4d43d15fbc4d48822f92fba4d8f7898f6657e91502f

Aliases

arxiv: 1802.08364 · arxiv_version: 1802.08364v1 · doi: 10.48550/arxiv.1802.08364 · pith_short_12: WK3SYGDFA6JR · pith_short_16: WK3SYGDFA6JR6F5J · pith_short_8: WK3SYGDF

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/WK3SYGDFA6JR6F5JWTKD2FP3YT \
  | 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: b2b72c186507931f17a9b4d43d15fbc4d48822f92fba4d8f7898f6657e91502f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcef5d8a835d08f7dbba92128fa721394de78dde8943eb8dd48365e404ac7002",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-23T02:27:12Z",
    "title_canon_sha256": "d6b4c39218cc07720c7d5b267c31bdac856cd8351c0a84eafa098c96a44e5f65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08364",
    "kind": "arxiv",
    "version": 1
  }
}