Pith Number

pith:MTLMGMY4

pith:2011:MTLMGMY4EVLXQJFOKRRWIUD2OX

not attested not anchored not stored refs pending

Blocking a wave: Frequency band gaps in ice shelves with periodic crevasses

Douglas R. MacAyeal, Jason M. Amundson, Julian Freed-Brown, Wendy W. Zhang

arxiv:1112.3387 v1 · 2011-12-14 · cond-mat.soft · physics.ao-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{MTLMGMY4EVLXQJFOKRRWIUD2OX}

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	2026-05-18T01:59:09.578107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d6c3331c25577824ae546364507a75d2179925cb60d6301b69a8af7924f02e

Aliases

arxiv: 1112.3387 · arxiv_version: 1112.3387v1 · doi: 10.48550/arxiv.1112.3387 · pith_short_12: MTLMGMY4EVLX · pith_short_16: MTLMGMY4EVLXQJFO · pith_short_8: MTLMGMY4

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/MTLMGMY4EVLXQJFOKRRWIUD2OX \
  | 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: 64d6c3331c25577824ae546364507a75d2179925cb60d6301b69a8af7924f02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2bb6aa939bbfc1adf09ccc7faedeac69a0d5d9209939559921e2698fe235fe",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-12-14T23:10:13Z",
    "title_canon_sha256": "502b111fbbf861b12bc2dfa1a5db976f6df2e4c4a15434b7e41b26dd5239ff8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3387",
    "kind": "arxiv",
    "version": 1
  }
}