Pith Number

pith:HTCCYTSD

pith:2021:HTCCYTSDZAXAMZCGFC3GS6AAJH

not attested not anchored not stored refs pending

Automatic detection of impact craters on Al foils from the Stardust interstellar dust collector using convolutional neural networks

Andrew J. Westphal, Anna L. Butterworth, Augusto Ardizzone, Bradley T. De Gregorio, Logan Jaeger, Mark Burchell, Michael Capraro, Penny Wozniakiewicz, Rhonda M. Stroud, Robert Lettieri, Ryan C. Ogliore, Zack Gainsforth

arxiv:2103.09673 v1 · 2021-03-15 · astro-ph.IM · astro-ph.EP · 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{HTCCYTSDZAXAMZCGFC3GS6AAJH}

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	2026-07-05T03:28:14.180295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc42c4e43c82e06644628b669780049ece99e03ca6f0a16110de766a3aeab52

Aliases

arxiv: 2103.09673 · arxiv_version: 2103.09673v1 · doi: 10.48550/arxiv.2103.09673 · pith_short_12: HTCCYTSDZAXA · pith_short_16: HTCCYTSDZAXAMZCG · pith_short_8: HTCCYTSD

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/HTCCYTSDZAXAMZCGFC3GS6AAJH \
  | 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: 3cc42c4e43c82e06644628b669780049ece99e03ca6f0a16110de766a3aeab52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1269b708b0e888edf45e5c93c05ad6017fb407b79556b13a7b3b5f60c0101c36",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-03-15T22:06:38Z",
    "title_canon_sha256": "ded2fadf682bac8b3393fd8502d8481e1b1311cc447b95c3c76fc90ece931374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09673",
    "kind": "arxiv",
    "version": 1
  }
}