Pith Number

pith:P54VJ3C5

pith:2017:P54VJ3C5TXA6KKX3OGUF6UYBUM

not attested not anchored not stored refs pending

Dimension reduction in the context of structured deformations

David R. Owen, Gra\c{c}a Carita, Jos\'e Matias, Marco Morandotti

arxiv:1709.02869 v2 · 2017-09-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P54VJ3C5TXA6KKX3OGUF6UYBUM}

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	2026-05-18T00:28:40.423279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7954ec5d9dc1e52afb71a85f5301a323ac80041960011effdefde1c2502d16

Aliases

arxiv: 1709.02869 · arxiv_version: 1709.02869v2 · doi: 10.48550/arxiv.1709.02869 · pith_short_12: P54VJ3C5TXA6 · pith_short_16: P54VJ3C5TXA6KKX3 · pith_short_8: P54VJ3C5

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/P54VJ3C5TXA6KKX3OGUF6UYBUM \
  | 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: 7f7954ec5d9dc1e52afb71a85f5301a323ac80041960011effdefde1c2502d16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517dca3d1046bccc95b9088258d5340f40d9f511bb0fdc6f653bdb2d4cffe4c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-08T22:15:36Z",
    "title_canon_sha256": "5f67a6de76236f7c34cc7da5a1124e33e55d03b1c82a50bb66c6637c15df15c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02869",
    "kind": "arxiv",
    "version": 2
  }
}