Pith Number

pith:IQ4MV5AW

pith:2019:IQ4MV5AWQN7FCRNQ5VP6JCJ4YR

not attested not anchored not stored refs pending

Astro2020 White Paper: A Direct Measure of Cosmic Acceleration

Amanda Townsend (University of Florida), Anthony Gonzalez (University of Florida), Chenxing Dong (University of Florida), Guido Mueller (University of Florida), Jeremy Darling (University of Colorado), John Conklin (University of Florida), Manunya Likamonsavad (University of Florida), Paul Fulda (University of Florida), Sarik Jeram (University of Florida), Stephen Eikenberry (University of Florida), Zachary Slepian (University of Florida)

arxiv:1904.00217 v1 · 2019-03-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQ4MV5AWQN7FCRNQ5VP6JCJ4YR}

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.

Cited by

1 paper in Pith

2020 Vision: Towards a Sustainable OIR System

Receipt and verification

First computed	2026-05-17T23:49:49.090618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4438caf416837e5145b0ed5fe4893cc452d737db4d1651daaaa984bb8bfbe2c3

Aliases

arxiv: 1904.00217 · arxiv_version: 1904.00217v1 · doi: 10.48550/arxiv.1904.00217 · pith_short_12: IQ4MV5AWQN7F · pith_short_16: IQ4MV5AWQN7FCRNQ · pith_short_8: IQ4MV5AW

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/IQ4MV5AWQN7FCRNQ5VP6JCJ4YR \
  | 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: 4438caf416837e5145b0ed5fe4893cc452d737db4d1651daaaa984bb8bfbe2c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f9ac14c69c445de4c6bbb6088c294a04d3f64d8bcd2bf8d8b99e3efa9759ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-30T13:09:59Z",
    "title_canon_sha256": "86a1ebac1b6573d0e2f1ec6a093b57ce102c28b6a0b42f9ce935aed339d382ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00217",
    "kind": "arxiv",
    "version": 1
  }
}