Pith Number

pith:5K55KZA4

pith:2014:5K55KZA4JR22DPR6FDPF4QKGNZ

not attested not anchored not stored refs pending

Radio Source Evolution on Galactic Scales

Paul Alexander, Tamela Maciel

arxiv:1406.1101 v1 · 2014-06-04 · astro-ph.GA · 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{5K55KZA4JR22DPR6FDPF4QKGNZ}

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	2026-05-18T01:43:02.165884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabbd5641c4c75a1be3e28de5e41466e544fec646ff6feeb30f6ba7e6b435427

Aliases

arxiv: 1406.1101 · arxiv_version: 1406.1101v1 · doi: 10.48550/arxiv.1406.1101 · pith_short_12: 5K55KZA4JR22 · pith_short_16: 5K55KZA4JR22DPR6 · pith_short_8: 5K55KZA4

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/5K55KZA4JR22DPR6FDPF4QKGNZ \
  | 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: eabbd5641c4c75a1be3e28de5e41466e544fec646ff6feeb30f6ba7e6b435427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb8e5669b1ad13ea87ac3898321e8e2832e719f3c37f5851339f7ba09e73d96",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-04T16:33:50Z",
    "title_canon_sha256": "b3bd44161d2f7d06abf7edd48b976193dbc35358f40792e284b30133e7ee85cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1101",
    "kind": "arxiv",
    "version": 1
  }
}