Pith Number

pith:JP4BUS6Q

pith:2012:JP4BUS6QWNLVEJZNCD5D3E64MZ

not attested not anchored not stored refs pending

Heating in collisions of solids:possible application to impact craters

V. Celebonovic

arxiv:1202.2138 v1 · 2012-02-09 · 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{JP4BUS6QWNLVEJZNCD5D3E64MZ}

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	2026-05-18T01:58:31.499578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf81a4bd0b35752272d10fa3d93dc6670d1b04530f451faebac4f88b3f08da6

Aliases

arxiv: 1202.2138 · arxiv_version: 1202.2138v1 · doi: 10.48550/arxiv.1202.2138 · pith_short_12: JP4BUS6QWNLV · pith_short_16: JP4BUS6QWNLVEJZN · pith_short_8: JP4BUS6Q

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/JP4BUS6QWNLVEJZNCD5D3E64MZ \
  | 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: 4bf81a4bd0b35752272d10fa3d93dc6670d1b04530f451faebac4f88b3f08da6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "591c4ea8e72164a9d6104b2dda4704a6d9f5bcb6a426281935ed6ff86f63d1cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-02-09T21:52:02Z",
    "title_canon_sha256": "3d7ce8923375daec50dfa193c04cf436f6107852a181ee452d9029c77970f03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2138",
    "kind": "arxiv",
    "version": 1
  }
}