Pith Number

pith:ZIP3MUMW

pith:2021:ZIP3MUMWYYKVMCHPO64CYTZQKN

not attested not anchored not stored refs pending

The PIXL Instrument on the Mars 2020 Perseverance Rover

Abigail C. Allwood, Alan Treiman, Benton C. Clark, Christina Hernandez, Christopher M. Heirwegh, David A.K. Pedersen, David T. Flannery, Eugenie Song, Haley MacDonald, James H. Gerhard, Jesper Henneke, Jimmie D. Young, Joel A. Hurowitz, John Leif Jorgensen, John P. Grotzinger, Kelsey R. Moore, Kimberly P. Sinclair, Kyle Uckert, Lauren O'Neil, Lawrence A. Wade, Luca Cinquini, Marc C. Foote, Marion Nachon, Michael E. Sondheim, Michael M. Tice, Michael W. Jones, Nicholas R. Tallarida, Payam Zamani, Peter Nemere, Peter R. Lawson, Robert P. Hodyss, Robert W. Denise, Scott Davidoff, Scott M. McLennan, W. Timothy Elam, Yang Liu

arxiv:2103.07001 v1 · 2021-03-11 · physics.ins-det · physics.app-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{ZIP3MUMWYYKVMCHPO64CYTZQKN}

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	2026-07-05T02:22:27.480282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca1fb65196c6155608ef77b82c4f30537b763df9902e92f3b9e2ba073d9c2524

Aliases

arxiv: 2103.07001 · arxiv_version: 2103.07001v1 · doi: 10.48550/arxiv.2103.07001 · pith_short_12: ZIP3MUMWYYKV · pith_short_16: ZIP3MUMWYYKVMCHP · pith_short_8: ZIP3MUMW

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/ZIP3MUMWYYKVMCHPO64CYTZQKN \
  | 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: ca1fb65196c6155608ef77b82c4f30537b763df9902e92f3b9e2ba073d9c2524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea32d28ec2c1701b6afa20108c03bb49445ff065da7eff5d28ef30c60b41bb3",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-03-11T23:22:46Z",
    "title_canon_sha256": "4021328621a2f2effe0fdb0e26fe4ed0ef31fa4c23ba5dd9fb6428e3ce06e615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07001",
    "kind": "arxiv",
    "version": 1
  }
}