Pith Number

pith:WJ72J2LU

pith:2016:WJ72J2LU6FWYRK6TLUBNPKXN73

not attested not anchored not stored refs pending

The Greenland Telescope: Antenna Retrofit Status and Future Plans

(2) Harvard-Smithsonian Center for Astrophysics, (3) ASIAA Hilo Office, (4) National Chung-Shan Institute of Science, C.C. Han (1), Chih-Cheng Chang (1), Chih-Wei L. Huang (1), Ching-Tang Liu (4), Derek Kubo (3), Fang-Chia Hsieh (4), Geoffrey C. Bower (3), George Nystrom (1), Hiroaki Nishioka (1), Hung-Yi Pu (1), Jackie Wang ((1) Academia Sinica Institute of Astronomy & Astrophysics, Keiichi Asada (1), Lupin Lin (1), Makoto Inoue (1), Masanori Nakamura (1), Ming-Tang Chen (1), Nimesh A. Patel (2), Patrick M. Koch (1), Paul K. Grimes (2), Paul T.P. Ho (1), Philippe Raffin (3), Pierre Martin-Cocher (1), Ranjani Srinivasan (3), Raymond Blundell (2), Roberto Burgos (2), Satoki Matsushita (1), Scott N. Paine (2), Shih-Hsiang Lo (1), Steve Leiker (2), Technology), Tim Norton (2), T.K. Sridharan (2), William Snow (3), Yau-De Huang (1), You-Hua Chu (1), Zheng Meyer-Zhao (1)

arxiv:1612.02969 v1 · 2016-12-09 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJ72J2LU6FWYRK6TLUBNPKXN73}

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	2026-05-18T00:55:06.163609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27fa4e974f16d88abd35d02d7aaedfed4adae350507a54ae43379339e804340

Aliases

arxiv: 1612.02969 · arxiv_version: 1612.02969v1 · doi: 10.48550/arxiv.1612.02969 · pith_short_12: WJ72J2LU6FWY · pith_short_16: WJ72J2LU6FWYRK6T · pith_short_8: WJ72J2LU

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/WJ72J2LU6FWYRK6TLUBNPKXN73 \
  | 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: b27fa4e974f16d88abd35d02d7aaedfed4adae350507a54ae43379339e804340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "741b3f8e7048a710355f68ec6ba14689a06510898b69cabb04f71de26e410797",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-09T10:33:22Z",
    "title_canon_sha256": "825cf16187d2fc9f0ed7cb9b1a0881fdd77b2a4c55f8ee8c71879c95f7a4cef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02969",
    "kind": "arxiv",
    "version": 1
  }
}