Pith Number

pith:SWCVZCPH

pith:2019:SWCVZCPHRZPOHTVFQAJ2KKC6VE

not attested not anchored not stored refs pending

Astro2020 APC White Paper: Astronomy should be in the clouds

Adam Bolton, Amanda E Bauer, Andrew Connolly, Arfon M. Smith, Arif Solmaz, Bruce Becker, David W. Liska, Eric Bellm, Erik TollerudI, Frossie Economou, Ivelina Momcheva, Joshua Peek, Nimish Hathi, Peter Melchior, Rob Pike, Ross Thomson, Steven M. Crawford, William O'Mullane

arxiv:1907.06320 v1 · 2019-07-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWCVZCPHRZPOHTVFQAJ2KKC6VE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:37.938034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95855c89e78e5ee3cea58013a5285ea92473b5930d01081acaf1c30f8c74c9ad

Aliases

arxiv: 1907.06320 · arxiv_version: 1907.06320v1 · doi: 10.48550/arxiv.1907.06320 · pith_short_12: SWCVZCPHRZPO · pith_short_16: SWCVZCPHRZPOHTVF · pith_short_8: SWCVZCPH

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/SWCVZCPHRZPOHTVFQAJ2KKC6VE \
  | 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: 95855c89e78e5ee3cea58013a5285ea92473b5930d01081acaf1c30f8c74c9ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca65d96f24c295a47d60e6cc7ebe709adbebdca32620eed0de4383d136750bc9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-15T03:13:23Z",
    "title_canon_sha256": "956fba53e44d1040010b0690b71486b1081c9a19c44d9bab620ae115671bdc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06320",
    "kind": "arxiv",
    "version": 1
  }
}