Pith Number

pith:2AXPH2XJ

pith:2020:2AXPH2XJHOBEYKBRNJ7FKM4PFQ

not attested not anchored not stored refs pending

Learnings from Frontier Development Lab and SpaceML -- AI Accelerators for NASA and ESA

Alexander Lavin, Anirudh Koul, James Parr, Josh Veitch-Michaelis, Meher Kasam, Siddha Ganju

arxiv:2011.04776 v1 · 2020-11-09 · astro-ph.IM · astro-ph.GA · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AXPH2XJHOBEYKBRNJ7FKM4PFQ}

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	2026-07-05T02:15:34.414554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02ef3eae93b824c28316a7e55338f2c0ccd2638d0827d349bb239823d29cb5d

Aliases

arxiv: 2011.04776 · arxiv_version: 2011.04776v1 · doi: 10.48550/arxiv.2011.04776 · pith_short_12: 2AXPH2XJHOBE · pith_short_16: 2AXPH2XJHOBEYKBR · pith_short_8: 2AXPH2XJ

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/2AXPH2XJHOBEYKBRNJ7FKM4PFQ \
  | 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: d02ef3eae93b824c28316a7e55338f2c0ccd2638d0827d349bb239823d29cb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c092ed0ddde2801ccdb665fe50d845138c61da8c3fa8ba276c523342aa2e27",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-11-09T21:23:03Z",
    "title_canon_sha256": "cd3ff292897bd2093932613011e8d50ca9bd7c4343c51cc3f02fe8d21352aaed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04776",
    "kind": "arxiv",
    "version": 1
  }
}