Pith Number

pith:VBUEDDV4

pith:2016:VBUEDDV4R6WIZODB635YTWBOMX

not attested not anchored not stored refs pending

A variational model for anisotropic and naturally twisted ribbons

Lorenzo Freddi, Maria Giovanna Mora, Peter Hornung, Roberto Paroni

arxiv:1605.03716 v1 · 2016-05-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBUEDDV4R6WIZODB635YTWBOMX}

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	2026-05-18T01:14:59.671002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a868418ebc8fac8cb861f6fb89d82e65fcdcb2271636fd523a01cced301af893

Aliases

arxiv: 1605.03716 · arxiv_version: 1605.03716v1 · doi: 10.48550/arxiv.1605.03716 · pith_short_12: VBUEDDV4R6WI · pith_short_16: VBUEDDV4R6WIZODB · pith_short_8: VBUEDDV4

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/VBUEDDV4R6WIZODB635YTWBOMX \
  | 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: a868418ebc8fac8cb861f6fb89d82e65fcdcb2271636fd523a01cced301af893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e59f5e6e2370f4473be545d5b43159c75cccc90ec9221c1698034de4d82e36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-05-12T08:09:41Z",
    "title_canon_sha256": "42b9ece48e05b7a16a0e704246821ae07e38da6a8487162629e9861b31d65f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03716",
    "kind": "arxiv",
    "version": 1
  }
}