Pith Number

pith:T25FAXLK

pith:2015:T25FAXLKMZOGDEC3CPJHQMFMHN

not attested not anchored not stored refs pending

Measured Sensitivity of the First Mark II Phased Array Feed on an ASKAP Antenna

A. J. Brown, A. Macleod, A. P. Chippendale, A. R. Forsyth, C. Cantrall, G. A. Hampson, M. L. Brothers, M. Leach, R. D. Shaw, R. J. Beresford, S. G. Hay

arxiv:1509.00544 v1 · 2015-09-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T25FAXLKMZOGDEC3CPJHQMFMHN}

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	2026-05-18T01:11:33.393357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eba505d6a665c61905b13d27830ac3b4fca2569e6931cd080ddcdb7a5797c46

Aliases

arxiv: 1509.00544 · arxiv_version: 1509.00544v1 · doi: 10.48550/arxiv.1509.00544 · pith_short_12: T25FAXLKMZOG · pith_short_16: T25FAXLKMZOGDEC3 · pith_short_8: T25FAXLK

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/T25FAXLKMZOGDEC3CPJHQMFMHN \
  | 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: 9eba505d6a665c61905b13d27830ac3b4fca2569e6931cd080ddcdb7a5797c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e38f4931ebf94d93f3d39b44f801555fe896526f75426080269c2fc7700bce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-02T02:15:23Z",
    "title_canon_sha256": "ebc1d4b8ddcc65180292d804a88c86467e55a35a9968646b4b6a133d67e78298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00544",
    "kind": "arxiv",
    "version": 1
  }
}