Pith Number

pith:BMQMBV5B

pith:2007:BMQMBV5BAQJOS237KVPODQOEKK

not attested not anchored not stored refs pending

Brittle fracture down to femto-Joules - and below

F. Proebst (MPP), J. Astrom (CSC-it Esbo), J. Timonen, L. Stodolsky (MPP), P. Di Stefano (IPNL)

arxiv:0708.4315 v2 · 2007-08-31 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMQMBV5BAQJOS237KVPODQOEKK}

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	2026-05-18T04:09:14.730486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b20c0d7a10412e96b7f555ee1c1c452960c12482ca2c9df4a87feda39fba8a6

Aliases

arxiv: 0708.4315 · arxiv_version: 0708.4315v2 · doi: 10.48550/arxiv.0708.4315 · pith_short_12: BMQMBV5BAQJO · pith_short_16: BMQMBV5BAQJOS237 · pith_short_8: BMQMBV5B

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/BMQMBV5BAQJOS237KVPODQOEKK \
  | 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: 0b20c0d7a10412e96b7f555ee1c1c452960c12482ca2c9df4a87feda39fba8a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8e40f1abe70646624606581ebdbb05a5f0d6d06f6f42213604a8eb28752c6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2007-08-31T14:40:49Z",
    "title_canon_sha256": "4c48e1ae5d0c67f229dce01687206fb1f5135583363e4f1162eb6ff6109f7e29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4315",
    "kind": "arxiv",
    "version": 2
  }
}