Pith Number

pith:6Z5D6RAE

pith:2012:6Z5D6RAESUSO5Y7ANV7NVMYIBC

not attested not anchored not stored refs pending

On stress matrices of chordal bar frameworks in general position

A. Y. Alfakih

arxiv:1205.3990 v1 · 2012-05-17 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Z5D6RAESUSO5Y7ANV7NVMYIBC}

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	2026-05-18T03:55:24.032154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67a3f44049524eee3e06d7edab3080886cd7c6a5bc5c6e2e3a45afad30f98f7

Aliases

arxiv: 1205.3990 · arxiv_version: 1205.3990v1 · doi: 10.48550/arxiv.1205.3990 · pith_short_12: 6Z5D6RAESUSO · pith_short_16: 6Z5D6RAESUSO5Y7A · pith_short_8: 6Z5D6RAE

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/6Z5D6RAESUSO5Y7ANV7NVMYIBC \
  | 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: f67a3f44049524eee3e06d7edab3080886cd7c6a5bc5c6e2e3a45afad30f98f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8a3dbfe11a955b822cf53b295f0792e5f0d1b883d9c59587894f5c59ec12cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-05-17T17:33:59Z",
    "title_canon_sha256": "74d8c9438a84cb8c2fa496eea6d2437aa6ea1767e013fd237b2ff3952d5cc80f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3990",
    "kind": "arxiv",
    "version": 1
  }
}