Pith Number

pith:GQA27PCC

pith:2012:GQA27PCCOGT7DYEEOOO244EEOR

not attested not anchored not stored refs pending

What governs the bulk velocity of the jet components in active galactic nuclei?

Bo Chai, Minfeng Gu, Xinwu Cao

arxiv:1209.4702 v1 · 2012-09-21 · 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{GQA27PCCOGT7DYEEOOO244EEOR}

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	2026-05-18T01:54:20.325293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3401afbc4271a7f1e084739dae708474757cf0ff24068c3bf805768a78627409

Aliases

arxiv: 1209.4702 · arxiv_version: 1209.4702v1 · doi: 10.48550/arxiv.1209.4702 · pith_short_12: GQA27PCCOGT7 · pith_short_16: GQA27PCCOGT7DYEE · pith_short_8: GQA27PCC

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/GQA27PCCOGT7DYEEOOO244EEOR \
  | 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: 3401afbc4271a7f1e084739dae708474757cf0ff24068c3bf805768a78627409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9354dc69802cc6a0b8c86b404878668362e851385189cd07d598f950fafea85",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-21T04:52:14Z",
    "title_canon_sha256": "57ccf329e2b56821aded844cfa9edd6f7edf854a24ebcfa79255413fb0f623e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4702",
    "kind": "arxiv",
    "version": 1
  }
}