Pith Number

pith:4OODYJ7W

pith:2020:4OODYJ7WCTMJ67GM6NFBP6V6WX

not attested not anchored not stored refs pending

On the Environments of Giant Radio Galaxies

J. Xavier Prochaska, Ting-Wen Lan

arxiv:2009.04482 v2 · 2020-09-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OODYJ7WCTMJ67GM6NFBP6V6WX}

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	2026-07-05T02:15:28.174206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39c3c27f614d89f7cccf34a17fabeb5c11105499dde0bdfcad82ca2fda25c51

Aliases

arxiv: 2009.04482 · arxiv_version: 2009.04482v2 · doi: 10.48550/arxiv.2009.04482 · pith_short_12: 4OODYJ7WCTMJ · pith_short_16: 4OODYJ7WCTMJ67GM · pith_short_8: 4OODYJ7W

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/4OODYJ7WCTMJ67GM6NFBP6V6WX \
  | 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: e39c3c27f614d89f7cccf34a17fabeb5c11105499dde0bdfcad82ca2fda25c51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56d8df6abcaff735cb12782c8f5f5806e64120b42f897c09c2e0fb7c8fe84896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-09T18:00:05Z",
    "title_canon_sha256": "c313652823bc960bf59fcbacfcc08c964dd6b60e017b90668e38991519580d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04482",
    "kind": "arxiv",
    "version": 2
  }
}