Pith Number

pith:A75B55YZ

pith:2020:A75B55YZZXKIWMZCEAN5S2NYF2

not attested not anchored not stored refs pending

The Case for Non-Cryogenic Comet Nucleus Sample Return

Alexander G. Hayes, Ann. N. Nguyen, Carol Raymond, Daniel P. Glavin, Denis Bodewits, Jamie E. Elsila, Jason P. Dworkin, Jason Soderblom, Jessica M. Sunshine, Julie Mitchell, Keiko Nakamura-Messenger, Kenton Fisher, Larry R. Nittler, Lisa Pace, Maitrayee Bose, Mathieu Choukroun, Meenakshi Wadhwa, Michael Mumma, Nancy Chabot, Neil Dello Russo, Perry Gerakines, Samuel Birch, Scott Sandford, Simon J. Clemett, Steven W. Squyres

arxiv:2009.14366 v1 · 2020-09-30 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A75B55YZZXKIWMZCEAN5S2NYF2}

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	2026-07-05T01:39:18.660397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07fa1ef719cdd48b3322201bd969b82eb2055dd8ac7b7c5b7699f08938e8525d

Aliases

arxiv: 2009.14366 · arxiv_version: 2009.14366v1 · doi: 10.48550/arxiv.2009.14366 · pith_short_12: A75B55YZZXKI · pith_short_16: A75B55YZZXKIWMZC · pith_short_8: A75B55YZ

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/A75B55YZZXKIWMZCEAN5S2NYF2 \
  | 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: 07fa1ef719cdd48b3322201bd969b82eb2055dd8ac7b7c5b7699f08938e8525d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33b6012cecaba27df5f1bbbc504af16df417f290999dc7e49e00ef6abc38e84",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-09-30T01:07:32Z",
    "title_canon_sha256": "974740cac4cfca2abf39b4bdf6cee13d859d0fdf66a2c97ec31a968bc7703f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14366",
    "kind": "arxiv",
    "version": 1
  }
}