Pith Number

pith:NLDYIZF2

pith:2015:NLDYIZF2M2QHRQ75VABJXFXLW3

not attested not anchored not stored refs pending

Seifert's conjecture for almost symplectic foliations

Sauvik Mukherjee

arxiv:1501.06110 v3 · 2015-01-25 · 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{NLDYIZF2M2QHRQ75VABJXFXLW3}

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	2026-05-18T01:01:29.360610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac78464ba66a078c3fda8029b96ebb6f61dd606e048b669a9b54d9d97683482

Aliases

arxiv: 1501.06110 · arxiv_version: 1501.06110v3 · doi: 10.48550/arxiv.1501.06110 · pith_short_12: NLDYIZF2M2QH · pith_short_16: NLDYIZF2M2QHRQ75 · pith_short_8: NLDYIZF2

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/NLDYIZF2M2QHRQ75VABJXFXLW3 \
  | 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: 6ac78464ba66a078c3fda8029b96ebb6f61dd606e048b669a9b54d9d97683482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff97ec6abf013d8f6403d48f49d5e0b154898f8c533646fb5138cffa483d498",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-25T03:32:26Z",
    "title_canon_sha256": "90ab4af76df0cf592bddb7b5919ba4b74912f5f92aa462505edd5c5609b810d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06110",
    "kind": "arxiv",
    "version": 3
  }
}