Pith Number

pith:KTCQQYYW

pith:2011:KTCQQYYWKEFKZXYOG7OROE544X

not attested not anchored not stored refs pending

Optical Properties of High-Frequency Radio Sources from the Australia Telescope 20 GHz (AT20G) Survey

Elaine M. Sadler, Elizabeth K. Mahony, Helen M. Johnston, Keith W. Bannister, Marcella Massardi, Paul J. Hancock, Rajan Chhetri, Ronald D. Ekers, Scott M. Croom, Tara Murphy

arxiv:1107.2454 v1 · 2011-07-13 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTCQQYYWKEFKZXYOG7OROE544X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:01:19.255235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c5086316510aacdf0e37dd1713bce5df990cf1f47f11cecf36bc5c138a7a23

Aliases

arxiv: 1107.2454 · arxiv_version: 1107.2454v1 · doi: 10.48550/arxiv.1107.2454 · pith_short_12: KTCQQYYWKEFK · pith_short_16: KTCQQYYWKEFKZXYO · pith_short_8: KTCQQYYW

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/KTCQQYYWKEFKZXYOG7OROE544X \
  | 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: 54c5086316510aacdf0e37dd1713bce5df990cf1f47f11cecf36bc5c138a7a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67378c8c79d8f284c5b0a33bed8cc75dde58abd6a2c674b6b23c3ec10526248f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-13T03:05:37Z",
    "title_canon_sha256": "0b45985d2deab713cc54036cf7b8c4cd02e286a06f93ab74af6092982e86ccb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2454",
    "kind": "arxiv",
    "version": 1
  }
}