Pith Number

pith:YJKD2F5F

pith:2018:YJKD2F5FZJ3YH4SLMBLOVFPYMZ

not attested not anchored not stored refs pending

Deformations of Pre-Symplectic Structures: a Dirac Geometry Approach

Florian Sch\"atz, Marco Zambon

arxiv:1807.10148 v2 · 2018-07-25 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJKD2F5FZJ3YH4SLMBLOVFPYMZ}

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	2026-05-17T23:58:59.129260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2543d17a5ca7783f24b6056ea95f86667575c3e9b261b22c5d49a9111296c8f

Aliases

arxiv: 1807.10148 · arxiv_version: 1807.10148v2 · doi: 10.48550/arxiv.1807.10148 · pith_short_12: YJKD2F5FZJ3Y · pith_short_16: YJKD2F5FZJ3YH4SL · pith_short_8: YJKD2F5F

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/YJKD2F5FZJ3YH4SLMBLOVFPYMZ \
  | 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: c2543d17a5ca7783f24b6056ea95f86667575c3e9b261b22c5d49a9111296c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25a82d3da841f4722557e35a60cf208277c86108af7cb14e17de81c07a385fb7",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-07-25T08:15:03Z",
    "title_canon_sha256": "f54b7af565dd4eba897165d7ad770f281125b8e2880c0111974d59acada93bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10148",
    "kind": "arxiv",
    "version": 2
  }
}