Pith Number

pith:MMYW4PCB

pith:2022:MMYW4PCB7BBGSQAUDBIP6BZBWD

not attested not anchored not stored refs pending

The PI Launchpad: Expanding the base of potential Principal Investigators across space sciences

D.E. (Betsy) Pugel, Ellen M. Gertsen, Erika Hamden, Kirsten Petree, Michael H. New, Michael Liemohn, Nicole Cabrera Salazar, Paula Evans, Paul Propster, Randii Wessen, Richard Quinn

arxiv:2210.03769 v1 · 2022-10-07 · astro-ph.IM · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMYW4PCB7BBGSQAUDBIP6BZBWD}

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	2026-07-05T05:04:32.106936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63316e3c41f8426940141850ff0721b0d208c390a722d11a128861d9486a5a80

Aliases

arxiv: 2210.03769 · arxiv_version: 2210.03769v1 · doi: 10.48550/arxiv.2210.03769 · pith_short_12: MMYW4PCB7BBG · pith_short_16: MMYW4PCB7BBGSQAU · pith_short_8: MMYW4PCB

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/MMYW4PCB7BBGSQAUDBIP6BZBWD \
  | 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: 63316e3c41f8426940141850ff0721b0d208c390a722d11a128861d9486a5a80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83f1e16e4df46ed00473ee7d363f135766e4fac0c092843c688f1e0bbfecdaec",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-10-07T18:22:06Z",
    "title_canon_sha256": "cb9d7df5f09304219b0a7c098918efc24860a378a933b6717f33a3593c9a5cd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.03769",
    "kind": "arxiv",
    "version": 1
  }
}