Pith Number

pith:MGEG4IJR

pith:2019:MGEG4IJRKTPF3LOG4OLUWPE7CD

not attested not anchored not stored refs pending

Astro2020 Project White Paper: PolyOculus -- Low-cost Spectroscopy for the Community

Amanda Townsend (University of Florida), Anthony Gonzalez (University of Florida), Chapel Hill), Joseph Harrington (University of Central Florida), Misty Bentz (Georgia State University), Nick Law (University of North Carolina, Robert Quimby (San Diego State University), Sarik Jeram (University of Florida), Stephen S. Eikenberry (University of Florida), Tom Maccarone (Texas Tech University)

arxiv:1907.08273 v1 · 2019-07-18 · 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{MGEG4IJRKTPF3LOG4OLUWPE7CD}

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	2026-05-17T23:40:10.372848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61886e213154de5dadc6e3974b3c9f10ebf6e8c836277bc64542dc9ee7a9ea33

Aliases

arxiv: 1907.08273 · arxiv_version: 1907.08273v1 · doi: 10.48550/arxiv.1907.08273 · pith_short_12: MGEG4IJRKTPF · pith_short_16: MGEG4IJRKTPF3LOG · pith_short_8: MGEG4IJR

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/MGEG4IJRKTPF3LOG4OLUWPE7CD \
  | 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: 61886e213154de5dadc6e3974b3c9f10ebf6e8c836277bc64542dc9ee7a9ea33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7034eb89f6608e5bd109a4570a2abbd3a47fb9150dde168c787cb74ec47eab4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-18T20:31:47Z",
    "title_canon_sha256": "2cf66783823cfbf843a63572de23fc199cd4fd6f8a65e58d26249af82f57237c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08273",
    "kind": "arxiv",
    "version": 1
  }
}