Pith Number

pith:QUPMHXYS

pith:2019:QUPMHXYSLL23VFF4T6TRWZIHXL

not attested not anchored not stored refs pending

Observing exoplanets in the near-infrared from a high altitude balloon platform

Billy Edwards, Brian Kilpatrick, C. Barth Netterfield, Enzo Pascale, Gregory S. Tucker, Ingo Waldmann, Nikole K. Lewis, Peter C. Nagler, Pierre Maxted, Subhajit Sarkar, Vivien Parmentier

arxiv:1903.09718 v2 · 2019-03-22 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUPMHXYSLL23VFF4T6TRWZIHXL}

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	2026-05-17T23:39:24.570935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

851ec3df125af5ba94bc9fa71b6507bae97098993bf06225becde821decfcafa

Aliases

arxiv: 1903.09718 · arxiv_version: 1903.09718v2 · doi: 10.48550/arxiv.1903.09718 · pith_short_12: QUPMHXYSLL23 · pith_short_16: QUPMHXYSLL23VFF4 · pith_short_8: QUPMHXYS

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/QUPMHXYSLL23VFF4T6TRWZIHXL \
  | 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: 851ec3df125af5ba94bc9fa71b6507bae97098993bf06225becde821decfcafa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3ca754d1e4404c0156024e02da26bcc55e8bcb96bd7a9293213a1edd522a4d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-22T22:02:11Z",
    "title_canon_sha256": "21a848a1f76e9e02fcee556fd71c16ad5987b7f561aa130dc8a4a5f70fa4ff6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09718",
    "kind": "arxiv",
    "version": 2
  }
}