Pith Number

pith:2PDMO2U5

pith:2019:2PDMO2U5FYGTTTBTE4MFB6FXSG

not attested not anchored not stored refs pending

Symplectic cohomology and a conjecture of Viterbo

Egor Shelukhin

arxiv:1904.06798 v2 · 2019-04-15 · math.SG · math.DS · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PDMO2U5FYGTTTBTE4MFB6FXSG}

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.

Cited by

1 paper in Pith

Poincar\'e duality for loop spaces

Receipt and verification

First computed	2026-07-05T00:58:02.717123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c6c76a9d2e0d39cc33271850f8b791a0a7c33907f1590abe30ee7a673a3ba4

Aliases

arxiv: 1904.06798 · arxiv_version: 1904.06798v2 · doi: 10.48550/arxiv.1904.06798 · pith_short_12: 2PDMO2U5FYGT · pith_short_16: 2PDMO2U5FYGTTTBT · pith_short_8: 2PDMO2U5

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/2PDMO2U5FYGTTTBTE4MFB6FXSG \
  | 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: d3c6c76a9d2e0d39cc33271850f8b791a0a7c33907f1590abe30ee7a673a3ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea52a11c6790f07e78979dbb45d39369255de7aee06f662a437b58a7e7338f1e",
    "cross_cats_sorted": [
      "math.DS",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2019-04-15T01:02:15Z",
    "title_canon_sha256": "d1fc88c3ba45cb1479c612c7ac1d390ac38f9309a19751e5c4c5626aa7329e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06798",
    "kind": "arxiv",
    "version": 2
  }
}