Pith Number

pith:EAOCNNSA

pith:2016:EAOCNNSAAA4QPMHGPNMIDA7CMP

not attested not anchored not stored refs pending

A new geometrical look at Ostrogradsky procedure

Enrico Massa, Roberto Cianci, Sante Carloni, Stefano Vignolo

arxiv:1609.07388 v1 · 2016-09-23 · math-ph · gr-qc · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAOCNNSAAA4QPMHGPNMIDA7CMP}

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	2026-05-18T00:18:05.452737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

201c26b640003907b0e67b588183e263e13c957717966225c4442209a864e977

Aliases

arxiv: 1609.07388 · arxiv_version: 1609.07388v1 · doi: 10.48550/arxiv.1609.07388 · pith_short_12: EAOCNNSAAA4Q · pith_short_16: EAOCNNSAAA4QPMHG · pith_short_8: EAOCNNSA

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/EAOCNNSAAA4QPMHGPNMIDA7CMP \
  | 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: 201c26b640003907b0e67b588183e263e13c957717966225c4442209a864e977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e68b0e3948c6ab9762365d7b2d5c54ab5452ed717df35963c52b1ce2b1b22593",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-09-23T14:49:07Z",
    "title_canon_sha256": "442cf5d2cf771d71154cb1ddafd171a92441064e057370200829bd7b13e6353e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07388",
    "kind": "arxiv",
    "version": 1
  }
}