Pith Number

pith:V6HR2M3Q

pith:2006:V6HR2M3QRC7WOWTNSHJZQGCJPK

not attested not anchored not stored refs pending

Analytical scanning and transmission electron microscopy of laboratory impacts on Stardust aluminum foils: interpreting impact crater morphology and the composition of impact residues

A. T. Kearsley, G. A. Graham, G. Jones, J. P. Bradley, J. Spratt, M. J. Burchell, M. J. Cole, N. Teslich, P. A. Wozniakiewicz, R. Chater, Z. R. Dai

arxiv:astro-ph/0612013 v1 · 2006-12-01 · astro-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{V6HR2M3QRC7WOWTNSHJZQGCJPK}

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	2026-05-18T01:40:28.592268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8f1d337088bf675a6d91d39818497a85c6cc1b40d3d89ec2b0411ea0752b2f

Aliases

arxiv: astro-ph/0612013 · arxiv_version: astro-ph/0612013v1 · doi: 10.48550/arxiv.astro-ph/0612013 · pith_short_12: V6HR2M3QRC7W · pith_short_16: V6HR2M3QRC7WOWTN · pith_short_8: V6HR2M3Q

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/V6HR2M3QRC7WOWTNSHJZQGCJPK \
  | 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: af8f1d337088bf675a6d91d39818497a85c6cc1b40d3d89ec2b0411ea0752b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c4d1d97c303c3c90e7efcaedd9aae16f27575bd7bc8091f3743b494aba8fd75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-01T10:38:14Z",
    "title_canon_sha256": "baf7543871cc3006b6894a94124ffb738a45874cb1454c054eae071f4d81962c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612013",
    "kind": "arxiv",
    "version": 1
  }
}