Pith Number

pith:DLKMVTFB

pith:2014:DLKMVTFBCQDXJ7NU36EWPG6EUY

not attested not anchored not stored refs pending

Fixing the Reference Frame for PPMXL Proper Motions Using Extragalactic Sources

A-Li Luo, Brian Yanny, Carl J. Grillmair, Chao Liu, Haotong Zhang, Heidi Jo Newberg, Jeffrey L. Carlin, Jinliang Hou, Kathleen Grabowski, Licai Deng, Li Chen, Martin C. Smith, Puragra Guhathakurta, Sebastien Lepine, Timothy C. Beers, Xiaowei Liu, Zheng Zheng

arxiv:1409.2890 v1 · 2014-09-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLKMVTFBCQDXJ7NU36EWPG6EUY}

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	2026-05-18T01:59:38.586305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad4cacca1140774fdb4df89679bc4a635393cdea72cbdb6e0624abfdae78d3d

Aliases

arxiv: 1409.2890 · arxiv_version: 1409.2890v1 · doi: 10.48550/arxiv.1409.2890 · pith_short_12: DLKMVTFBCQDX · pith_short_16: DLKMVTFBCQDXJ7NU · pith_short_8: DLKMVTFB

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/DLKMVTFBCQDXJ7NU36EWPG6EUY \
  | 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: 1ad4cacca1140774fdb4df89679bc4a635393cdea72cbdb6e0624abfdae78d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49031b5af09d856be434e96cd427626f38d6cbfb4eb0b1329ef8c87eb780268",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-09T20:36:13Z",
    "title_canon_sha256": "d7ed93372625f36e3ee94a205af21941b102a1eda247401a352376f993b2662e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2890",
    "kind": "arxiv",
    "version": 1
  }
}