Pith Number

pith:XNE7746X

pith:2008:XNE7746XFDYWP65U35NSKUVJJW

not attested not anchored not stored refs pending

Skull Flexure from Blast Waves: A Mechanism for Brain Injury with Implications for Helmet Design

Eric G. Blackman, Michael J. King, William C. Moss

arxiv:0809.3468 v4 · 2008-09-19 · physics.med-ph · physics.comp-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{XNE7746XFDYWP65U35NSKUVJJW}

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	2026-05-18T00:49:19.704440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb49fff3d728f167fbb4df5b2552a94db5b2495207cb8aa58f87165e1c041d4d

Aliases

arxiv: 0809.3468 · arxiv_version: 0809.3468v4 · doi: 10.48550/arxiv.0809.3468 · pith_short_12: XNE7746XFDYW · pith_short_16: XNE7746XFDYWP65U · pith_short_8: XNE7746X

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/XNE7746XFDYWP65U35NSKUVJJW \
  | 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: bb49fff3d728f167fbb4df5b2552a94db5b2495207cb8aa58f87165e1c041d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8321c30f6fbafc96b52ebed855fb42254a54d522d5b3074fed3b8954c07b990",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2008-09-19T22:11:36Z",
    "title_canon_sha256": "3ef1060c27b3b6175191b1fb4084501e9060a058e882e80e8f412ed3c8eefb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3468",
    "kind": "arxiv",
    "version": 4
  }
}