Pith Number

pith:OUVJSZ4Z

pith:2017:OUVJSZ4ZJBRV3U2ILBCDF3APXI

not attested not anchored not stored refs pending

On the rigidity of lagrangian products

Daniele Sepe, Vinicius G. B. Ramos

arxiv:1710.01753 v1 · 2017-10-04 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUVJSZ4ZJBRV3U2ILBCDF3APXI}

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	2026-05-18T00:33:38.623668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752a99679948635dd348584432ec0fba2605fcef70e1b050d68703cbc0e08e3c

Aliases

arxiv: 1710.01753 · arxiv_version: 1710.01753v1 · doi: 10.48550/arxiv.1710.01753 · pith_short_12: OUVJSZ4ZJBRV · pith_short_16: OUVJSZ4ZJBRV3U2I · pith_short_8: OUVJSZ4Z

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/OUVJSZ4ZJBRV3U2ILBCDF3APXI \
  | 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: 752a99679948635dd348584432ec0fba2605fcef70e1b050d68703cbc0e08e3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e91d1eecc76c6e396b6c8f133f7a47c35f7069e4b7043afada91044062fb8c6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-10-04T18:28:53Z",
    "title_canon_sha256": "583081a5095626fb7ea98b6a8cbb8381eb74bc22b5d2ce0b7bf32959f3773a40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01753",
    "kind": "arxiv",
    "version": 1
  }
}