Pith Number

pith:4WGQLF6I

pith:2012:4WGQLF6I2IFJRHHAN7PD27IFBI

not attested not anchored not stored refs pending

On stratifications for planar tensegrities with a small number of vertices

Brigitte Servatius, Jan Schepers, Oleg Karpenkov

arxiv:1201.3557 v1 · 2012-01-17 · math.CO · 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{4WGQLF6I2IFJRHHAN7PD27IFBI}

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	2026-05-18T04:04:28.935904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e58d0597c8d20a989ce06fde3d7d050a0c25fe4426c3db46f21be2756e4fe7a6

Aliases

arxiv: 1201.3557 · arxiv_version: 1201.3557v1 · doi: 10.48550/arxiv.1201.3557 · pith_short_12: 4WGQLF6I2IFJ · pith_short_16: 4WGQLF6I2IFJRHHA · pith_short_8: 4WGQLF6I

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/4WGQLF6I2IFJRHHAN7PD27IFBI \
  | 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: e58d0597c8d20a989ce06fde3d7d050a0c25fe4426c3db46f21be2756e4fe7a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8592f76406867571a9d8240ae721972eec0a04de229fcfd0101f0b012ca4b650",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-17T16:52:04Z",
    "title_canon_sha256": "90e4a12a19778a0b96dfce83058163c849d0f3e3ab7ed4312654e99fbcd4f739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3557",
    "kind": "arxiv",
    "version": 1
  }
}