Pith Number

pith:44QKOTOP

pith:2012:44QKOTOPXAMDEEEVXXFMUQEPNP

not attested not anchored not stored refs pending

Spectral Properties and the Effect on Redshift Cut-off of Compact AGNs from the AT20G Survey

E. K. Mahony, E. M. Sadler, M. Massardi, P. A. Jones, R. Chhetri, R. D. Ekers, R. Ricci

arxiv:1202.5406 v1 · 2012-02-24 · 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{44QKOTOPXAMDEEEVXXFMUQEPNP}

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	2026-05-18T01:58:19.965187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e720a74dcfb818321095bdcaca408f6bd11ea084cf1df81a247c937612da8464

Aliases

arxiv: 1202.5406 · arxiv_version: 1202.5406v1 · doi: 10.48550/arxiv.1202.5406 · pith_short_12: 44QKOTOPXAMD · pith_short_16: 44QKOTOPXAMDEEEV · pith_short_8: 44QKOTOP

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/44QKOTOPXAMDEEEVXXFMUQEPNP \
  | 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: e720a74dcfb818321095bdcaca408f6bd11ea084cf1df81a247c937612da8464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c63045a4056390fa4a1bc638f31a6ba87d75adfc97213b7538522f9e01f0aae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-24T09:58:53Z",
    "title_canon_sha256": "26b0918e048b0780c39a55b90c5884ce6f058ff5d2c9a1d4c4d725b44f9ccbc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5406",
    "kind": "arxiv",
    "version": 1
  }
}