Pith Number

pith:T7HX3EUX

pith:2013:T7HX3EUXEHKUEVWFBDRGY2JABJ

not attested not anchored not stored refs pending

Observations of Feedback from Radio-Quiet Quasars: I. Extents and Morphologies of Ionized Gas Nebulae

CNRS), Guilin Liu (JHU), Jenny E. Greene (Princeton), Nadia L. Zakamska (JHU), Nicole P. H. Nesvadba (IAS, Xin Liu (CfA)

arxiv:1301.1677 v1 · 2013-01-08 · 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{T7HX3EUXEHKUEVWFBDRGY2JABJ}

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	2026-05-18T01:52:14.896735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fcf7d929721d54256c508e26c69200a40770cee5ec954404d74ac0523a3f3be

Aliases

arxiv: 1301.1677 · arxiv_version: 1301.1677v1 · doi: 10.48550/arxiv.1301.1677 · pith_short_12: T7HX3EUXEHKU · pith_short_16: T7HX3EUXEHKUEVWF · pith_short_8: T7HX3EUX

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/T7HX3EUXEHKUEVWFBDRGY2JABJ \
  | 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: 9fcf7d929721d54256c508e26c69200a40770cee5ec954404d74ac0523a3f3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e84f134cc4c423b295824a79fe4e60960e726c5aea924bee66a394c878e77a87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-08T21:00:00Z",
    "title_canon_sha256": "fd433743a807001a662d209382235014cf90d5a9a2860b8758da336c00915fd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1677",
    "kind": "arxiv",
    "version": 1
  }
}