Pith Number

pith:YERGERTO

pith:2001:YERGERTOZRKF7WFQXJW77EOIXT

not attested not anchored not stored refs pending

The Evolution of Radio Galaxies at Intermediate Redshift

B. J. Boyle, M. J. I. Brown, R. L. Webster

arxiv:astro-ph/0102176 v1 · 2001-02-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YERGERTOZRKF7WFQXJW77EOIXT}

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	2026-07-04T16:22:42.286480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12262466ecc545fd8b0ba6dff91c8bcefd175cd53ac96c94827587eccddf41a

Aliases

arxiv: astro-ph/0102176 · arxiv_version: astro-ph/0102176v1 · doi: 10.48550/arxiv.astro-ph/0102176 · pith_short_12: YERGERTOZRKF · pith_short_16: YERGERTOZRKF7WFQ · pith_short_8: YERGERTO

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/YERGERTOZRKF7WFQXJW77EOIXT \
  | 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: c12262466ecc545fd8b0ba6dff91c8bcefd175cd53ac96c94827587eccddf41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac06f07aced7803fda443e32c4b11b378c8fd2f95005eebcc0a02fffc3007d78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-02-09T22:25:37Z",
    "title_canon_sha256": "b54cdc1cee25fe28ebc97a17bec7a939884b021ec6903ecfe7dfe5ffa0c617ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0102176",
    "kind": "arxiv",
    "version": 1
  }
}