Pith Number

pith:FWT2DIE7

pith:2010:FWT2DIE72BCJJ7AEKHGWCUYULY

not attested not anchored not stored refs pending

An early warning method for crush

Martyn Amos, Peter J. Harding, Steve M. V. Gwynne

arxiv:1008.2160 v1 · 2010-08-12 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWT2DIE72BCJJ7AEKHGWCUYULY}

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	2026-05-18T04:42:14.900088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da7a1a09fd04494fc0451cd6153145e3681ece635bbed6d5b0dfdf78c9784fd

Aliases

arxiv: 1008.2160 · arxiv_version: 1008.2160v1 · doi: 10.48550/arxiv.1008.2160 · pith_short_12: FWT2DIE72BCJ · pith_short_16: FWT2DIE72BCJJ7AE · pith_short_8: FWT2DIE7

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/FWT2DIE72BCJJ7AEKHGWCUYULY \
  | 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: 2da7a1a09fd04494fc0451cd6153145e3681ece635bbed6d5b0dfdf78c9784fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84dde33a525b73fb2cb4047231237c155201f3bb9331ba4927e6813836714ccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2010-08-12T16:17:54Z",
    "title_canon_sha256": "f67a8e784342a87c44394ccf59e4bfbacfda7ff5bc1860a69edaf3d91c2818e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2160",
    "kind": "arxiv",
    "version": 1
  }
}