Pith Number

pith:PFHHP7SR

pith:2016:PFHHP7SRSNAS5FJCDTXKS76LGY

not attested not anchored not stored refs pending

Homologie Instanton Symplectique : somme connexe, chirurgie enti\`ere, et applications induites par cobordismes

Guillem Cazassus

arxiv:1612.01446 v1 · 2016-12-05 · math.GT · 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{PFHHP7SRSNAS5FJCDTXKS76LGY}

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	2026-05-18T00:55:52.638076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

794e77fe5193412e95221ceea97fcb36221c1dce83c67725f7e0c414caef463b

Aliases

arxiv: 1612.01446 · arxiv_version: 1612.01446v1 · doi: 10.48550/arxiv.1612.01446 · pith_short_12: PFHHP7SRSNAS · pith_short_16: PFHHP7SRSNAS5FJC · pith_short_8: PFHHP7SR

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/PFHHP7SRSNAS5FJCDTXKS76LGY \
  | 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: 794e77fe5193412e95221ceea97fcb36221c1dce83c67725f7e0c414caef463b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70915320a9c5e35541425f204422e0c0747f766fcb32509ee4ede10760cd9e1b",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-12-05T17:34:10Z",
    "title_canon_sha256": "4030c39b3f0f105d2213901db0fa8d695b5823cff71aead0260d962c17d7a83a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01446",
    "kind": "arxiv",
    "version": 1
  }
}