Pith Number

pith:77WILXWN

pith:2012:77WILXWND4CLV2BYVOGAPNQMYZ

not attested not anchored not stored refs pending

Solid state physics of impact crater formation: a detail

V. Celebonovic

arxiv:1210.7314 v2 · 2012-10-27 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77WILXWND4CLV2BYVOGAPNQMYZ}

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	2026-05-18T03:36:57.911448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffec85decd1f04bae838ab8c07b60cc64c66908c7a54db450ee28f5e0ad69216

Aliases

arxiv: 1210.7314 · arxiv_version: 1210.7314v2 · doi: 10.48550/arxiv.1210.7314 · pith_short_12: 77WILXWND4CL · pith_short_16: 77WILXWND4CLV2BY · pith_short_8: 77WILXWN

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/77WILXWND4CLV2BYVOGAPNQMYZ \
  | 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: ffec85decd1f04bae838ab8c07b60cc64c66908c7a54db450ee28f5e0ad69216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb84a1b591eb923bcd1588e3bbf78b5a7ff7a6631f87557e03c52bee794b5050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-10-27T11:27:57Z",
    "title_canon_sha256": "3f701769ace44981bdb41f5e9e9ce27d0ae46dfb1f5bd81f0fa0edec3b9ebcb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7314",
    "kind": "arxiv",
    "version": 2
  }
}