Pith Number

pith:KIGZPFJB

pith:2018:KIGZPFJB2K52W5GA45DCXGHWGY

not attested not anchored not stored refs pending

Progressive instability in circular masonry columns

A.D. Jefferson, M. Broseghini, M. Gei, P. Zanetti

arxiv:1804.08620 v1 · 2018-04-23 · physics.class-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{KIGZPFJB2K52W5GA45DCXGHWGY}

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	2026-05-18T00:17:47.186601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

520d979521d2bbab74c0e7462b98f6362849cb4bdda5aacb79fee925155d23dc

Aliases

arxiv: 1804.08620 · arxiv_version: 1804.08620v1 · doi: 10.48550/arxiv.1804.08620 · pith_short_12: KIGZPFJB2K52 · pith_short_16: KIGZPFJB2K52W5GA · pith_short_8: KIGZPFJB

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/KIGZPFJB2K52W5GA45DCXGHWGY \
  | 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: 520d979521d2bbab74c0e7462b98f6362849cb4bdda5aacb79fee925155d23dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f1caeda3f7863d5659f01142bd671954ec5b09412126bf9bae5ab8f87f3459",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-04-23T17:45:25Z",
    "title_canon_sha256": "38b33977f013417918703b918e7a18087b084d7b3d150094c4d60652019be7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08620",
    "kind": "arxiv",
    "version": 1
  }
}