Pith Number

pith:DPFVUVVV

pith:2012:DPFVUVVVUOJNE7MUW6MGCL4MPD

not attested not anchored not stored refs pending

Evolving fracture patterns: columnar joints, mud cracks, and polygonal terrain

Lucas Goehring

arxiv:1211.6762 v2 · 2012-11-28 · physics.geo-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{DPFVUVVVUOJNE7MUW6MGCL4MPD}

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	2026-05-18T01:32:11.114337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bcb5a56b5a392d27d94b798612f8c78d5cdae856b777f70ace82b1dfaf12394

Aliases

arxiv: 1211.6762 · arxiv_version: 1211.6762v2 · doi: 10.48550/arxiv.1211.6762 · pith_short_12: DPFVUVVVUOJN · pith_short_16: DPFVUVVVUOJNE7MU · pith_short_8: DPFVUVVV

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/DPFVUVVVUOJNE7MUW6MGCL4MPD \
  | 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: 1bcb5a56b5a392d27d94b798612f8c78d5cdae856b777f70ace82b1dfaf12394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9dc22ec3b6f21623e3d0557070432f194792aacad5d5b74cbb0c23a44cac83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2012-11-28T21:57:57Z",
    "title_canon_sha256": "6bc7ba8b4e2a5122387e12fd0b9c8a89347fb75c3e3fc0aabcb16342e4cad9a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6762",
    "kind": "arxiv",
    "version": 2
  }
}